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    "collector_note_dates": [],
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    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1407-about-the-novag-obsidian-and-its-2-models.html",
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    "collector_note_dates": [
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      "2020-11-28",
      "2021-05-15",
      "2021-06-10",
      "2021-06-15",
      "2022-02-09"
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    "source_id": "obsidian",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/legacy/legacy-572-novag-sapphire-ii-de-luxe-with-universal-chessboard-model-38712.html",
    "record_id": "L:legacy-572-novag-sapphire-ii-de-luxe-with-universal-chessboard-model-38712",
    "collector_note_dates": [],
    "source_id": "sapphire",
    "source_document_date": "2000 (copyright on printed page 28)",
    "comparison": "No dated forum note is present in this catalogue record; precedence cannot be determined from it."
  },
  {
    "record_href": "museum/legacy/legacy-589-novag-super-expert-a-6mhz-model-879.html",
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    "collector_note_dates": [],
    "source_id": "expert",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/legacy/legacy-590-novag-super-expert-b.html",
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    "collector_note_dates": [],
    "source_id": "expert",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/legacy/legacy-591-novag-super-expert-c.html",
    "record_id": "L:legacy-591-novag-super-expert-c",
    "collector_note_dates": [],
    "source_id": "expert",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/legacy/legacy-691-saitek-centurion-model-k08.html",
    "record_id": "L:legacy-691-saitek-centurion-model-k08",
    "collector_note_dates": [],
    "source_id": "centurion",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/legacy/legacy-708-saitek-cosmos-model-k06.html",
    "record_id": "L:legacy-708-saitek-cosmos-model-k06",
    "collector_note_dates": [],
    "source_id": "cosmos",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
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  {
    "record_href": "museum/legacy/legacy-235-fidelity-chesster-model-6120.html",
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    "collector_note_dates": [],
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    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/legacy/legacy-331-fidelity-travel-master-chess-challenger-model-6122.html",
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    "collector_note_dates": [],
    "source_id": "travel",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
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  {
    "record_href": "museum/legacy/legacy-272-fidelity-excel-club-68000-model-6094.html",
    "record_id": "L:legacy-272-fidelity-excel-club-68000-model-6094",
    "collector_note_dates": [],
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    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/legacy/legacy-273-fidelity-excel-club-68000-model-6094-variant.html",
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    "collector_note_dates": [],
    "source_id": "excel",
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    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
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  {
    "record_href": "museum/legacy/legacy-183-excalibur-phantom-force-model-740d6-ml6-us.html",
    "record_id": "L:legacy-183-excalibur-phantom-force-model-740d6-ml6-us",
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    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
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  {
    "record_href": "museum/legacy/legacy-467-mephisto-hegener-glaser-amsterdam-68000-12-mhz-exclusive-board-exclusive-case.html",
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    "collector_note_dates": [],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "No dated forum note is present in this catalogue record; precedence cannot be determined from it."
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  {
    "record_href": "museum/models/t1655-mephisto-exclusive-amsterdam-16-bit-1985.html",
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    "collector_note_dates": [
      "2021-09-28"
    ],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "The source document predates the earliest dated forum note preserved in this record. This does not establish priority over undated earlier ChessEval material."
  },
  {
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    "collector_note_dates": [],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "No dated forum note is present in this catalogue record; precedence cannot be determined from it."
  },
  {
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    "collector_note_dates": [],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "No dated forum note is present in this catalogue record; precedence cannot be determined from it."
  },
  {
    "record_href": "museum/models/t1654-mephisto-exclusive-dallas-68000-16-bit-1986.html",
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    "collector_note_dates": [
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    ],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "The source document predates the earliest dated forum note preserved in this record. This does not establish priority over undated earlier ChessEval material."
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  {
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    "collector_note_dates": [
      "2021-09-28"
    ],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "The source document predates the earliest dated forum note preserved in this record. This does not establish priority over undated earlier ChessEval material."
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  {
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    "collector_note_dates": [],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "No dated forum note is present in this catalogue record; precedence cannot be determined from it."
  },
  {
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    "collector_note_dates": [],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "No dated forum note is present in this catalogue record; precedence cannot be determined from it."
  },
  {
    "record_href": "museum/models/t1651-mephisto-exclusive-s-roma-68000-16-bit-1987.html",
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    "collector_note_dates": [
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    ],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "The source document predates the earliest dated forum note preserved in this record. This does not establish priority over undated earlier ChessEval material."
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    "collector_note_dates": [
      "2021-09-26"
    ],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "The source document predates the earliest dated forum note preserved in this record. This does not establish priority over undated earlier ChessEval material."
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  {
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    "source_document_date": "2003 (interview heading)",
    "comparison": "No dated forum note is present in this catalogue record; precedence cannot be determined from it."
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    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "No dated forum note is present in this catalogue record; precedence cannot be determined from it."
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  {
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    "collector_note_dates": [
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    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "The source document predates the earliest dated forum note preserved in this record. This does not establish priority over undated earlier ChessEval material."
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  {
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    "collector_note_dates": [
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    ],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "The source document predates the earliest dated forum note preserved in this record. This does not establish priority over undated earlier ChessEval material."
  },
  {
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    "collector_note_dates": [
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    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "The source document predates the earliest dated forum note preserved in this record. This does not establish priority over undated earlier ChessEval material."
  },
  {
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    "collector_note_dates": [
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    ],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "The source document predates the earliest dated forum note preserved in this record. This does not establish priority over undated earlier ChessEval material."
  },
  {
    "record_href": "museum/models/t1641-mephisto-tournament-machine-tm-portorose-munchen-68030-1989-x-rare.html",
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    "collector_note_dates": [
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    ],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "The source document predates the earliest dated forum note preserved in this record. This does not establish priority over undated earlier ChessEval material."
  },
  {
    "record_href": "museum/legacy/legacy-471-mephisto-hegener-glaser-lyon-16-bit-68000-12-mhz-exclusive-board-exclusive-case.html",
    "record_id": "L:legacy-471-mephisto-hegener-glaser-lyon-16-bit-68000-12-mhz-exclusive-board-exclusive-case",
    "collector_note_dates": [],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "No dated forum note is present in this catalogue record; precedence cannot be determined from it."
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  {
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    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
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    "collector_note_dates": [],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "No dated forum note is present in this catalogue record; precedence cannot be determined from it."
  },
  {
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    "source_id": "lyon",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
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  {
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    "collector_note_dates": [
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    ],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "The source document predates the earliest dated forum note preserved in this record. This does not establish priority over undated earlier ChessEval material."
  },
  {
    "record_href": "museum/models/t1640-mephisto-exclusive-lyon-68000-16-bit-1990.html",
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    "collector_note_dates": [
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    ],
    "source_id": "lyon",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1639-mephisto-munchen-s-lyon-68020-32-bit-1990-rare.html",
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    "collector_note_dates": [
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    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "The source document predates the earliest dated forum note preserved in this record. This does not establish priority over undated earlier ChessEval material."
  },
  {
    "record_href": "museum/models/t1639-mephisto-munchen-s-lyon-68020-32-bit-1990-rare.html",
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    "collector_note_dates": [
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    ],
    "source_id": "lyon",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
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    "record_id": "L:legacy-481-mephisto-hegener-glaser-vancouver-16-bit-68000-12-mhz-exclusive-board-exclusive-case",
    "collector_note_dates": [],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "No dated forum note is present in this catalogue record; precedence cannot be determined from it."
  },
  {
    "record_href": "museum/legacy/legacy-481-mephisto-hegener-glaser-vancouver-16-bit-68000-12-mhz-exclusive-board-exclusive-case.html",
    "record_id": "L:legacy-481-mephisto-hegener-glaser-vancouver-16-bit-68000-12-mhz-exclusive-board-exclusive-case",
    "collector_note_dates": [],
    "source_id": "vancouver",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
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  {
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    "record_id": "L:legacy-482-mephisto-hegener-glaser-vancouver-32-bit-68020-12-mhz-bavaria-board-wood-case",
    "collector_note_dates": [],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "No dated forum note is present in this catalogue record; precedence cannot be determined from it."
  },
  {
    "record_href": "museum/legacy/legacy-482-mephisto-hegener-glaser-vancouver-32-bit-68020-12-mhz-bavaria-board-wood-case.html",
    "record_id": "L:legacy-482-mephisto-hegener-glaser-vancouver-32-bit-68020-12-mhz-bavaria-board-wood-case",
    "collector_note_dates": [],
    "source_id": "vancouver",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
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  {
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    "record_id": "L:legacy-483-mephisto-hegener-glaser-vancouver-tournament-machine-68030-36mhz-wood-case",
    "collector_note_dates": [],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "No dated forum note is present in this catalogue record; precedence cannot be determined from it."
  },
  {
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    "record_id": "L:legacy-483-mephisto-hegener-glaser-vancouver-tournament-machine-68030-36mhz-wood-case",
    "collector_note_dates": [],
    "source_id": "vancouver",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
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  {
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    "collector_note_dates": [],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "No dated forum note is present in this catalogue record; precedence cannot be determined from it."
  },
  {
    "record_href": "museum/legacy/legacy-484-mephisto-hegener-glaser-vancouver-worldchampion-machine-66mhz-original-box.html",
    "record_id": "L:legacy-484-mephisto-hegener-glaser-vancouver-worldchampion-machine-66mhz-original-box",
    "collector_note_dates": [],
    "source_id": "vancouver",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
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    "collector_note_dates": [
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    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "The source document predates the earliest dated forum note preserved in this record. This does not establish priority over undated earlier ChessEval material."
  },
  {
    "record_href": "museum/models/t1637-mephisto-bavaria-vancouver-68020-32-bit-1991-rare.html",
    "record_id": "T1637",
    "collector_note_dates": [
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    "source_id": "vancouver",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
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    "collector_note_dates": [
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    ],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "The source document predates the earliest dated forum note preserved in this record. This does not establish priority over undated earlier ChessEval material."
  },
  {
    "record_href": "museum/models/t1638-mephisto-exclusive-vancouver-68000-16-bit-1991.html",
    "record_id": "T1638",
    "collector_note_dates": [
      "2021-09-25"
    ],
    "source_id": "vancouver",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1634-mephisto-tournament-machine-tm-munchen-vancouver-68030-1991-x-rare.html",
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    "collector_note_dates": [
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    ],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "The source document predates the earliest dated forum note preserved in this record. This does not establish priority over undated earlier ChessEval material."
  },
  {
    "record_href": "museum/models/t1634-mephisto-tournament-machine-tm-munchen-vancouver-68030-1991-x-rare.html",
    "record_id": "T1634",
    "collector_note_dates": [
      "2021-09-24"
    ],
    "source_id": "vancouver",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1635-mephisto-world-machine-wm-esb-vancouver-68030rc50b-1991-u-rare.html",
    "record_id": "T1635",
    "collector_note_dates": [
      "2021-09-24"
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    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "The source document predates the earliest dated forum note preserved in this record. This does not establish priority over undated earlier ChessEval material."
  },
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    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1489-clj-l-empereur-1984-x-rare.html",
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    ],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "The source document predates the earliest dated forum note preserved in this record. This does not establish priority over undated earlier ChessEval material."
  },
  {
    "record_href": "museum/models/t1489-clj-l-empereur-1984-x-rare.html",
    "record_id": "T1489",
    "collector_note_dates": [
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    ],
    "source_id": "glasgow",
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    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1535-l-empereur-at-the-wmcc-glasgow-1984.html",
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    ],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "The source document predates the earliest dated forum note preserved in this record. This does not establish priority over undated earlier ChessEval material."
  },
  {
    "record_href": "museum/models/t1535-l-empereur-at-the-wmcc-glasgow-1984.html",
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    "collector_note_dates": [
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    ],
    "source_id": "glasgow",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1463-chess-2001.html",
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    "collector_note_dates": [
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    ],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "The source document predates the earliest dated forum note preserved in this record. This does not establish priority over undated earlier ChessEval material."
  },
  {
    "record_href": "museum/models/t1463-chess-2001.html",
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    "collector_note_dates": [
      "2021-07-25"
    ],
    "source_id": "budapest",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/legacy/legacy-57-cxg-chess-2001-model-cxg-2001.html",
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    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "No dated forum note is present in this catalogue record; precedence cannot be determined from it."
  },
  {
    "record_href": "museum/legacy/legacy-57-cxg-chess-2001-model-cxg-2001.html",
    "record_id": "L:legacy-57-cxg-chess-2001-model-cxg-2001",
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    "source_id": "budapest",
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    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1530-sandy-tsb4-la-regence-1982-x-rare.html",
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    "collector_note_dates": [
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    ],
    "source_id": "lang",
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    "comparison": "The source document predates the earliest dated forum note preserved in this record. This does not establish priority over undated earlier ChessEval material."
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  {
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    "collector_note_dates": [
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    ],
    "source_id": "lang",
    "source_document_date": "2003 (interview heading)",
    "comparison": "The source document predates the earliest dated forum note preserved in this record. This does not establish priority over undated earlier ChessEval material."
  },
  {
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    "record_id": "T1521",
    "collector_note_dates": [
      "2021-09-07"
    ],
    "source_id": "travemunde",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1509-fidelity-elite-champion-experimental-program-x-travemunde-090-1981-x-rare.html",
    "record_id": "T1509",
    "collector_note_dates": [
      "2021-09-02"
    ],
    "source_id": "travemunde",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1507-fidelity-elite-champion-sensory-chess-challenger-model-ec-094-1981-rare.html",
    "record_id": "T1507",
    "collector_note_dates": [
      "2021-09-02"
    ],
    "source_id": "travemunde",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1522-fidelity-elite-champion-sensory-chess-challenger-model-ec-124-1981-rare.html",
    "record_id": "T1522",
    "collector_note_dates": [
      "2021-09-07"
    ],
    "source_id": "travemunde",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/legacy/legacy-766-scisys-chess-champion-mark-v-model-501.html",
    "record_id": "L:legacy-766-scisys-chess-champion-mark-v-model-501",
    "collector_note_dates": [],
    "source_id": "travemunde",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1623-fidelity-elite-a-s-budapest-model-eas-sn-32731035-1983.html",
    "record_id": "T1623",
    "collector_note_dates": [
      "2021-09-22"
    ],
    "source_id": "budapest",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1626-fidelity-elite-a-s-budapest-model-eas-sn-32731203-1983.html",
    "record_id": "T1626",
    "collector_note_dates": [
      "2021-09-22"
    ],
    "source_id": "budapest",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1649-fidelity-elite-a-s-budapest-model-eas-sn-33299385-1984.html",
    "record_id": "T1649",
    "collector_note_dates": [
      "2021-09-26"
    ],
    "source_id": "budapest",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1706-fidelity-elite-a-s-budapest-model-eas-sn-762911-germany-1983.html",
    "record_id": "T1706",
    "collector_note_dates": [
      "2021-10-26"
    ],
    "source_id": "budapest",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1659-fidelity-elite-a-s-budapest-model-eas-sn-763741-1983.html",
    "record_id": "T1659",
    "collector_note_dates": [
      "2021-09-28"
    ],
    "source_id": "budapest",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1660-fidelity-elite-a-s-budapest-model-eas-sn-764666-1983.html",
    "record_id": "T1660",
    "collector_note_dates": [
      "2021-09-28"
    ],
    "source_id": "budapest",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1770-fidelity-elite-a-s-budapest-model-ewc-sn-40903715-1984.html",
    "record_id": "T1770",
    "collector_note_dates": [
      "2021-11-24"
    ],
    "source_id": "budapest",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1805-fidelity-prestige-pre-budapest-budapest-glasgow-x-rare.html",
    "record_id": "T1805",
    "collector_note_dates": [
      "2021-12-07"
    ],
    "source_id": "budapest",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1805-fidelity-prestige-pre-budapest-budapest-glasgow-x-rare.html",
    "record_id": "T1805",
    "collector_note_dates": [
      "2021-12-07"
    ],
    "source_id": "glasgow",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/legacy/legacy-587-novag-super-constellation-model-844.html",
    "record_id": "L:legacy-587-novag-super-constellation-model-844",
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    "source_id": "budapest",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1468-fidelity-elegance-1984.html",
    "record_id": "T1468",
    "collector_note_dates": [
      "2021-07-29",
      "2021-07-30"
    ],
    "source_id": "glasgow",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1625-fidelity-elite-a-s-glasgow-model-eas-c-sn-43285586-1984.html",
    "record_id": "T1625",
    "collector_note_dates": [
      "2021-09-22"
    ],
    "source_id": "glasgow",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1647-fidelity-elite-a-s-glasgow-model-eas-c-sn-43285573-1984.html",
    "record_id": "T1647",
    "collector_note_dates": [
      "2021-09-26"
    ],
    "source_id": "glasgow",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1677-fidelity-elite-a-s-glasgow-model-eas-c-sn-43285606-1984.html",
    "record_id": "T1677",
    "collector_note_dates": [
      "2021-10-15"
    ],
    "source_id": "glasgow",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1648-fidelity-elite-a-s-glasgow-model-eas-c-sn-43285755-1984.html",
    "record_id": "T1648",
    "collector_note_dates": [
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    ],
    "source_id": "glasgow",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1699-tasc-r30-version-gideon-x-rare.html",
    "record_id": "T1699",
    "collector_note_dates": [
      "2021-10-20"
    ],
    "source_id": "vancouver",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1699-tasc-r30-version-gideon-x-rare.html",
    "record_id": "T1699",
    "collector_note_dates": [
      "2021-10-20"
    ],
    "source_id": "madrid",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/legacy/legacy-734-saitek-risc-2500-128kb.html",
    "record_id": "L:legacy-734-saitek-risc-2500-128kb",
    "collector_note_dates": [],
    "source_id": "madrid",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/legacy/legacy-735-saitek-risc-2500-1mb-model-322.html",
    "record_id": "L:legacy-735-saitek-risc-2500-1mb-model-322",
    "collector_note_dates": [],
    "source_id": "madrid",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/models/t1767-novag-grand-citrine-u-rare.html",
    "record_id": "T1767",
    "collector_note_dates": [
      "2021-11-23"
    ],
    "source_id": "citrine",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
  },
  {
    "record_href": "museum/legacy/legacy-582-novag-star-diamond-model-1004.html",
    "record_id": "L:legacy-582-novag-star-diamond-model-1004",
    "collector_note_dates": [],
    "source_id": "star-dispute",
    "source_document_date": null,
    "comparison": "Source publication/revision date is undetermined; no precedence inferred."
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]
