{
    "type": "version",
    "name": "Canon J-II Seiki Kogaku nameplate (pre-Canon-rename production)",
    "url": "https://www.cameraworth.com/c/canon/j-ii/v/seiki-kogaku-nameplate-pre-canon-rename-production/",
    "product": {
        "name": "Canon J-II",
        "url": "https://www.cameraworth.com/c/canon/j-ii/"
    },
    "display_piece": false,
    "answer": "The Canon J-II Seiki Kogaku nameplate (pre-Canon-rename production) typically sells for £2,545 (median of 12 recorded sales, 1999–2025; fair evidence).",
    "figure": {
        "grade": "fair",
        "grade_label": "Fair",
        "modifiers": [],
        "n": 12,
        "median_gbp": 2545,
        "middle_half_gbp": [
            2066,
            3233
        ],
        "period": [
            "1999-02-16",
            "2025-06-27"
        ],
        "last_3_years": null,
        "pools": null,
        "one_sale_moves_this": null,
        "extras": {
            "median_usd": 3600,
            "median_eur": 3200,
            "note": "USD and EUR from each sale converted at its month’s ECB rate"
        },
        "basis": "Auction hammer prices with the buyer’s premium removed; eBay as sold"
    },
    "maybe_this_version": 2,
    "sales_shown": [
        {
            "id": 41889,
            "date": "2025-06-27",
            "venue": "Leitz Photographica Auction",
            "title": "Seiki-Kogaku Canon JII",
            "price": 1700,
            "currency": "EUR",
            "gbp": 1445,
            "basis": "hammer",
            "version": "Seiki Kogaku nameplate (pre-Canon-rename production)",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/Seiki-Kogaku-Canon-JII/A01778",
            "lot": "A01778"
        },
        {
            "id": 13167,
            "date": "2025-01-01",
            "venue": "Tamarkin Rare Camera Auctions",
            "title": "Canon J-II (Seiki Kogaku) with 50mm Nippon-Kogaku Nikkor f3,5",
            "price": 1200,
            "currency": "USD",
            "gbp": 972,
            "basis": "hammer",
            "version": "Seiki Kogaku nameplate (pre-Canon-rename production)",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.tamarkinauctions.com/results/2025-auction-results",
            "lot": "47"
        },
        {
            "id": 21422,
            "date": "2020-11-21",
            "venue": "Leitz Photographica Auction",
            "title": "Canon J-II",
            "price": 3000,
            "currency": "EUR",
            "gbp": 2688,
            "basis": "hammer",
            "version": "Seiki Kogaku nameplate (pre-Canon-rename production)",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/Canon-J-II/AI-37-38645",
            "lot": "AI_37_38645"
        },
        {
            "id": 5051,
            "date": "2018-03-10",
            "venue": "Leitz Photographica Auction",
            "title": "Seiki-Kogaku Canon J II",
            "price": 3600,
            "currency": "EUR",
            "gbp": 3178,
            "basis": "hammer",
            "version": "Seiki Kogaku nameplate (pre-Canon-rename production)",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/Seiki-Kogaku-Canon-J-II/AI-32-35832",
            "lot": "AI_32_35832"
        },
        {
            "id": 37947,
            "date": "2016-11-19",
            "venue": "Leitz Photographica Auction",
            "title": "Seiki-Kogaku Canon JII",
            "price": 2400,
            "currency": "EUR",
            "gbp": 2085,
            "basis": "hammer",
            "version": "Seiki Kogaku nameplate (pre-Canon-rename production)",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/Seiki-Kogaku-Canon-JII/AI-30-34246",
            "lot": "AI_30_34246"
        },
        {
            "id": 15411,
            "date": "2015-11-21",
            "venue": "Leitz Photographica Auction",
            "title": "Seiki-Kogaku  Canon JII",
            "price": 3400,
            "currency": "EUR",
            "gbp": 2402,
            "basis": "hammer",
            "version": "Seiki Kogaku nameplate (pre-Canon-rename production)",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/Seiki-Kogaku-Canon-JII/AI-28-32600",
            "lot": "AI_28_32600"
        },
        {
            "id": 22030,
            "date": "2010-05-29",
            "venue": "Leitz Photographica Auction",
            "title": "Canon JII",
            "price": 2500,
            "currency": "EUR",
            "gbp": 2143,
            "basis": "hammer",
            "version": "Seiki Kogaku nameplate (pre-Canon-rename production)",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/Canon-JII/AI-17-11340",
            "lot": "AI_17_11340"
        },
        {
            "id": 21652,
            "date": "2009-12-05",
            "venue": "Leitz Photographica Auction",
            "title": "Seiki-Kogaku  Canon JII",
            "price": 4000,
            "currency": "EUR",
            "gbp": 3599,
            "basis": "hammer",
            "version": "Seiki Kogaku nameplate (pre-Canon-rename production)",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/Seiki-Kogaku-Canon-JII/AI-16-19535",
            "lot": "AI_16_19535"
        },
        {
            "id": 7254,
            "date": "2008-11-30",
            "venue": "Leitz Photographica Auction",
            "title": "Canon  Seiki-Kogaku JII",
            "price": 3400,
            "currency": "EUR",
            "gbp": 2824,
            "basis": "hammer",
            "version": "Seiki Kogaku nameplate (pre-Canon-rename production)",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/Canon-Seiki-Kogaku-JII/AI-14-17951",
            "lot": "AI_14_17951"
        },
        {
            "id": 20284,
            "date": "2005-11-27",
            "venue": "Leitz Photographica Auction",
            "title": "Seiki-Kogaku  Canon JII",
            "price": 5000,
            "currency": "EUR",
            "gbp": 3397,
            "basis": "hammer",
            "version": "Seiki Kogaku nameplate (pre-Canon-rename production)",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/Seiki-Kogaku-Canon-JII/AI-8-26272",
            "lot": "AI_8_26272"
        },
        {
            "id": 37653,
            "date": "2003-11-22",
            "venue": "Leitz Photographica Auction",
            "title": "Canon   J II + 3,5/5cm Nikkor",
            "price": 2900,
            "currency": "EUR",
            "gbp": 2009,
            "basis": "hammer",
            "version": "Seiki Kogaku nameplate (pre-Canon-rename production)",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/Canon-J-II-3-5-5cm-Nikkor/AI-4-22997",
            "lot": "AI_4_22997"
        },
        {
            "id": 43064,
            "date": "1999-02-16",
            "venue": "Christie's",
            "title": "Canon J-II no. 8069",
            "price": 4370,
            "currency": "GBP",
            "gbp": 3800,
            "basis": "premium_inclusive",
            "version": "Seiki Kogaku nameplate (pre-Canon-rename production)",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.christies.com/en/lot/lot-1446544?ldp_breadcrumb=back",
            "lot": "171"
        }
    ],
    "citation": "“Canon J-II Seiki Kogaku nameplate (pre-Canon-rename production): typical sale price £2,545, the median of 12 recorded sales, 1999–2025, middle half £2,066–£3,233 (Fair, method v1).” cameraworth.com, retrieved 8 October 2026. https://www.cameraworth.com/c/canon/j-ii/v/seiki-kogaku-nameplate-pre-canon-rename-production/",
    "method": {
        "version": 1,
        "url": "https://www.cameraworth.com/methodology/"
    },
    "computed_at": "2026-10-08 00:10:00.968880",
    "attribution": "Data from cameraworth.com — a public register of what cameras and lenses actually sold for. Cite the page URL and the retrieval date; see /methodology/ for how each figure is made."
}