{
    "type": "product",
    "name": "Mentor Goltz & Breutmann Mentor Dreivier",
    "url": "https://www.cameraworth.com/m/mentor-goltz-breutmann/mentor-dreivier/",
    "brand": {
        "name": "Mentor Goltz & Breutmann",
        "url": "https://www.cameraworth.com/m/mentor-goltz-breutmann/"
    },
    "answer": "The Mentor Goltz & Breutmann Mentor Dreivier sells for about £700 (median of only 5 recorded sales, 1999–2025; indicative, version mix).",
    "figure": {
        "grade": "indicative",
        "grade_label": "Indicative",
        "modifiers": [
            "version_mix"
        ],
        "n": 5,
        "median_gbp": 700,
        "middle_half_gbp": null,
        "period": [
            "1999-09-02",
            "2025-07-16"
        ],
        "last_3_years": null,
        "pools": null,
        "one_sale_moves_this": {
            "without_lowest": 895,
            "without_flagged": null,
            "without_highest": 615
        },
        "extras": {
            "median_usd": 1136,
            "median_eur": 1082,
            "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": [
        {
            "name": "chrome",
            "url": "https://www.cameraworth.com/m/mentor-goltz-breutmann/mentor-dreivier/v/chrome/",
            "kind": "working",
            "n": 0,
            "grade": "none",
            "median_gbp": null
        }
    ],
    "set_apart": [],
    "version_status": {
        "matched": 0,
        "pending": 3,
        "undeterminable": 2
    },
    "book_guide": null,
    "sales_shown": [
        {
            "id": 6003,
            "date": "2025-07-16",
            "venue": "Chiswick Auctions",
            "title": "A Mentor Dreivier 127 Film Camera",
            "price": 378,
            "currency": "GBP",
            "gbp": 300,
            "basis": "premium_inclusive",
            "version": null,
            "version_status": "pending",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": null,
            "lot": "238"
        },
        {
            "id": 9017,
            "date": "2020-11-21",
            "venue": "Leitz Photographica Auction",
            "title": "Mentor Dreivier Elmar",
            "price": 1700,
            "currency": "EUR",
            "gbp": 1523,
            "basis": "hammer",
            "version": null,
            "version_status": "undeterminable",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/Mentor-Dreivier-Elmar/AI-37-38903",
            "lot": "AI_37_38903"
        },
        {
            "id": 4804,
            "date": "2018-03-10",
            "venue": "Leitz Photographica Auction",
            "title": "Mentor Dreivier",
            "price": 600,
            "currency": "EUR",
            "gbp": 530,
            "basis": "hammer",
            "version": null,
            "version_status": "pending",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/Mentor-Dreivier/AI-32-35840",
            "lot": "AI_32_35840"
        },
        {
            "id": 5202,
            "date": "2007-05-26",
            "venue": "Leitz Photographica Auction",
            "title": "Goltz Mentor  Dreivier",
            "price": 1600,
            "currency": "EUR",
            "gbp": 1090,
            "basis": "hammer",
            "version": null,
            "version_status": "pending",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/Goltz-Mentor-Dreivier/AI-11-16059",
            "lot": "AI_11_16059"
        },
        {
            "id": 10012,
            "date": "1999-09-02",
            "venue": "Christie's",
            "title": "Mentor Dreivier no. 55532",
            "price": 805,
            "currency": "GBP",
            "gbp": 700,
            "basis": "premium_inclusive",
            "version": null,
            "version_status": "undeterminable",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.christies.com/en/lot/lot-1554714?ldp_breadcrumb=back",
            "lot": "356"
        }
    ],
    "sales_ledger": "https://www.cameraworth.com/m/mentor-goltz-breutmann/mentor-dreivier/sales/",
    "citation": "“Mentor Goltz & Breutmann Mentor Dreivier: about £700, the median of 5 recorded sales, 1999–2025 (Indicative, method v1).” cameraworth.com, retrieved 8 October 2026. https://www.cameraworth.com/m/mentor-goltz-breutmann/mentor-dreivier/",
    "method": {
        "version": 1,
        "url": "https://www.cameraworth.com/methodology/"
    },
    "computed_at": "2026-10-08 08:40:00.970647",
    "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."
}