{
    "type": "product",
    "name": "Showa Kogaku Gemflex (I)",
    "url": "https://www.cameraworth.com/s/showa-kogaku/gemflex-i/",
    "brand": {
        "name": "Showa Kogaku",
        "url": "https://www.cameraworth.com/s/showa-kogaku/"
    },
    "answer": "The Showa Kogaku Gemflex (I) sells for about £280 (median of only 7 recorded sales, 2002–2018; indicative, old).",
    "figure": {
        "grade": "indicative",
        "grade_label": "Indicative",
        "modifiers": [
            "old"
        ],
        "n": 7,
        "median_gbp": 280,
        "middle_half_gbp": null,
        "period": [
            "2002-02-19",
            "2018-03-10"
        ],
        "last_3_years": null,
        "pools": null,
        "one_sale_moves_this": {
            "without_lowest": 331,
            "without_flagged": null,
            "without_highest": 266
        },
        "extras": {
            "median_usd": 458,
            "median_eur": 407,
            "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"
    },
    "reason": null,
    "versions": [],
    "set_apart": [],
    "version_status": null,
    "book_guide": null,
    "sales_shown": [
        {
            "id": 24036,
            "date": "2018-03-10",
            "venue": "Leitz Photographica Auction",
            "title": "Showa Optical Gemflex I",
            "price": 500,
            "currency": "EUR",
            "gbp": 441,
            "basis": "hammer",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/Showa-Optical-Gemflex-I/AI-32-36121",
            "lot": "AI_32_36121"
        },
        {
            "id": 22411,
            "date": "2013-11-23",
            "venue": "Leitz Photographica Auction",
            "title": "Showa Optical Gemflex I",
            "price": 300,
            "currency": "EUR",
            "gbp": 251,
            "basis": "hammer",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/Showa-Optical-Gemflex-I/AI-24-10749",
            "lot": "AI_24_10749"
        },
        {
            "id": 80683,
            "date": "2011-05-17",
            "venue": "Bonhams",
            "title": "Showa Kogaku, Gemflex I made in occupied Japan",
            "price": 280,
            "currency": "GBP",
            "gbp": 280,
            "basis": "hammer",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.bonhams.com/auction/19310/lot/29/showa-kogaku-gemflex-i-made-in-occupied-japan/",
            "lot": "29"
        },
        {
            "id": 15760,
            "date": "2010-05-29",
            "venue": "Leitz Photographica Auction",
            "title": "Showa Optical Gemflex I",
            "price": 550,
            "currency": "EUR",
            "gbp": 471,
            "basis": "hammer",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/Showa-Optical-Gemflex-I/AI-17-11533",
            "lot": "AI_17_11533"
        },
        {
            "id": 22342,
            "date": "2005-05-06",
            "venue": "Christie's",
            "title": "Gemflex I no. 3482",
            "price": 264,
            "currency": "GBP",
            "gbp": 220,
            "basis": "premium_inclusive",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.christies.com/en/lot/lot-4485115?ldp_breadcrumb=back",
            "lot": "149"
        },
        {
            "id": 39173,
            "date": "2002-11-15",
            "venue": "Leitz Photographica Auction",
            "title": "SHOWA KOGAKU GEMFLEX I",
            "price": 600,
            "currency": "EUR",
            "gbp": 382,
            "basis": "hammer",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/SHOWA-KOGAKU-GEMFLEX-I/AI-1-21045",
            "lot": "AI_1_21045"
        },
        {
            "id": 11747,
            "date": "2002-02-19",
            "venue": "Christie's",
            "title": "Gemflex I no. 6398",
            "price": 293,
            "currency": "GBP",
            "gbp": 249,
            "basis": "premium_inclusive",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.christies.com/en/lot/lot-3869817?ldp_breadcrumb=back",
            "lot": "295"
        }
    ],
    "sales_ledger": "https://www.cameraworth.com/s/showa-kogaku/gemflex-i/sales/",
    "citation": "“Showa Kogaku Gemflex (I): about £280, the median of 7 recorded sales, 2002–2018 (Indicative, method v1).” cameraworth.com, retrieved 8 October 2026. https://www.cameraworth.com/s/showa-kogaku/gemflex-i/",
    "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."
}