{
    "type": "product",
    "name": "Lizars Challenge Tropen (Tropical)",
    "url": "https://www.cameraworth.com/l/lizars/challenge-tropen-tropical/",
    "brand": {
        "name": "Lizars",
        "url": "https://www.cameraworth.com/l/lizars/"
    },
    "answer": "The Lizars Challenge Tropen (Tropical) sells for about £350 (median of only 7 recorded sales, 1999–2018; indicative, old).",
    "figure": {
        "grade": "indicative",
        "grade_label": "Indicative",
        "modifiers": [
            "old"
        ],
        "n": 7,
        "median_gbp": 350,
        "middle_half_gbp": null,
        "period": [
            "1999-01-14",
            "2018-11-01"
        ],
        "last_3_years": null,
        "pools": null,
        "one_sale_moves_this": {
            "without_lowest": 350,
            "without_flagged": null,
            "without_highest": 315
        },
        "extras": {
            "median_usd": 511,
            "median_eur": 454,
            "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": 16676,
            "date": "2018-11-01",
            "venue": "Flints Auctions",
            "title": "A J. Lizars 'Challenge' Half Plate Tropical Hand & Stand Camera",
            "price": 480,
            "currency": "GBP",
            "gbp": 400,
            "basis": "premium_inclusive",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [
                "title_miss"
            ],
            "source_url": null,
            "lot": "1330"
        },
        {
            "id": 61433,
            "date": "2015-07-01",
            "venue": "Special Auction Services",
            "title": "A J. Lizars Challenge Tropical Hand Camera",
            "price": 580,
            "currency": "GBP",
            "gbp": 580,
            "basis": "hammer",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [
                "title_miss"
            ],
            "source_url": "https://web.archive.org/web/20150710083956/http://www.specialauctionservices.com:80/large/cm010715/lot0010.html",
            "lot": "10"
        },
        {
            "id": 9869,
            "date": "2005-09-06",
            "venue": "Christie's",
            "title": "Challenge tropical hand camera",
            "price": 120,
            "currency": "GBP",
            "gbp": 100,
            "basis": "premium_inclusive",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [
                "title_miss"
            ],
            "source_url": "https://www.christies.com/en/lot/lot-4556836?ldp_breadcrumb=back",
            "lot": "280"
        },
        {
            "id": 43335,
            "date": "2002-05-10",
            "venue": "Christie's",
            "title": "Challenge tropical hand camera",
            "price": 411,
            "currency": "GBP",
            "gbp": 350,
            "basis": "premium_inclusive",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [
                "title_miss"
            ],
            "source_url": "https://www.christies.com/en/lot/lot-3907186?ldp_breadcrumb=back",
            "lot": "232"
        },
        {
            "id": 16885,
            "date": "2001-07-17",
            "venue": "Christie's",
            "title": "Challenge tropical hand camera",
            "price": 164,
            "currency": "GBP",
            "gbp": 140,
            "basis": "premium_inclusive",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [
                "title_miss"
            ],
            "source_url": "https://www.christies.com/en/lot/lot-2098829?ldp_breadcrumb=back",
            "lot": "342"
        },
        {
            "id": 13092,
            "date": "1999-06-17",
            "venue": "Christie's",
            "title": "Challenge tropical camera",
            "price": 402,
            "currency": "GBP",
            "gbp": 350,
            "basis": "premium_inclusive",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [
                "title_miss"
            ],
            "source_url": "https://www.christies.com/en/lot/lot-1501733?ldp_breadcrumb=back",
            "lot": "6"
        },
        {
            "id": 12266,
            "date": "1999-01-14",
            "venue": "Christie's",
            "title": "Tropical Challenge hand camera",
            "price": 322,
            "currency": "GBP",
            "gbp": 280,
            "basis": "premium_inclusive",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [
                "title_miss"
            ],
            "source_url": "https://www.christies.com/en/lot/lot-1418602?ldp_breadcrumb=back",
            "lot": "286"
        }
    ],
    "sales_ledger": "https://www.cameraworth.com/l/lizars/challenge-tropen-tropical/sales/",
    "citation": "“Lizars Challenge Tropen (Tropical): about £350, the median of 7 recorded sales, 1999–2018 (Indicative, method v1).” cameraworth.com, retrieved 8 October 2026. https://www.cameraworth.com/l/lizars/challenge-tropen-tropical/",
    "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."
}