{
    "type": "product",
    "name": "Tanaka Kogaku Tanack IV-S",
    "url": "https://www.cameraworth.com/t/tanaka-kogaku/tanack-iv-s/",
    "brand": {
        "name": "Tanaka Kogaku",
        "url": "https://www.cameraworth.com/t/tanaka-kogaku/"
    },
    "answer": "The Tanaka Kogaku Tanack IV-S sells for about £180 (median of only 9 recorded sales, 1998–2024; indicative).",
    "figure": {
        "grade": "indicative",
        "grade_label": "Indicative",
        "modifiers": [],
        "n": 9,
        "median_gbp": 180,
        "middle_half_gbp": null,
        "period": [
            "1998-10-15",
            "2024-04-16"
        ],
        "last_3_years": null,
        "pools": null,
        "one_sale_moves_this": {
            "without_lowest": 190,
            "without_flagged": null,
            "without_highest": 170
        },
        "extras": {
            "median_usd": 266,
            "median_eur": 284,
            "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": 5461,
            "date": "2024-04-16",
            "venue": "Special Auction Services",
            "title": "A Tanaka IV-S Rangefinder Camera",
            "price": 140,
            "currency": "GBP",
            "gbp": 140,
            "basis": "hammer",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": null,
            "lot": "113"
        },
        {
            "id": 18082,
            "date": "2021-11-18",
            "venue": "Flints Auctions",
            "title": "A Tanak Optik Tanak IV-S Rangefinder Camera",
            "price": 198,
            "currency": "GBP",
            "gbp": 160,
            "basis": "premium_inclusive",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": null,
            "lot": "140"
        },
        {
            "id": 6906,
            "date": "2021-04-29",
            "venue": "Flints Auctions",
            "title": "A Tanaka Optik Co, Tanack Type IV-S Rangefinder Camera",
            "price": 174,
            "currency": "GBP",
            "gbp": 140,
            "basis": "premium_inclusive",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": null,
            "lot": "132"
        },
        {
            "id": 16533,
            "date": "2006-07-04",
            "venue": "Christie's",
            "title": "Tanack Type IV-S no. 73980",
            "price": 240,
            "currency": "GBP",
            "gbp": 200,
            "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-4744121?ldp_breadcrumb=back",
            "lot": "15"
        },
        {
            "id": 12110,
            "date": "2005-02-15",
            "venue": "Christie's",
            "title": "Tanack Type IV-S no. 76345",
            "price": 300,
            "currency": "GBP",
            "gbp": 250,
            "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-4437304?ldp_breadcrumb=back",
            "lot": "144"
        },
        {
            "id": 22389,
            "date": "2004-11-16",
            "venue": "Christie's",
            "title": "Tanack Type IV-S no. 76262",
            "price": 167,
            "currency": "GBP",
            "gbp": 140,
            "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-4378349?ldp_breadcrumb=back",
            "lot": "240"
        },
        {
            "id": 17345,
            "date": "2004-05-07",
            "venue": "Christie's",
            "title": "Tanack Type IV-S no. 75483",
            "price": 310,
            "currency": "GBP",
            "gbp": 259,
            "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-4272810?ldp_breadcrumb=back",
            "lot": "217"
        },
        {
            "id": 42515,
            "date": "2001-01-16",
            "venue": "Christie's",
            "title": "Tanack IV-S",
            "price": 211,
            "currency": "GBP",
            "gbp": 180,
            "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-1985269?ldp_breadcrumb=back",
            "lot": "124"
        },
        {
            "id": 9479,
            "date": "1998-10-15",
            "venue": "Christie's",
            "title": "Tanack IV-S no. 69478",
            "price": 345,
            "currency": "GBP",
            "gbp": 300,
            "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-1321428?ldp_breadcrumb=back",
            "lot": "140"
        }
    ],
    "sales_ledger": "https://www.cameraworth.com/t/tanaka-kogaku/tanack-iv-s/sales/",
    "citation": "“Tanaka Kogaku Tanack IV-S: about £180, the median of 9 recorded sales, 1998–2024 (Indicative, method v1).” cameraworth.com, retrieved 8 October 2026. https://www.cameraworth.com/t/tanaka-kogaku/tanack-iv-s/",
    "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."
}