{
    "type": "product",
    "name": "Concava Tessina",
    "url": "https://www.cameraworth.com/c/concava/tessina/",
    "brand": {
        "name": "Concava",
        "url": "https://www.cameraworth.com/c/concava/"
    },
    "answer": "The Concava Tessina has 2 recorded sales: £169 (16 Jul 2002, Christie's) and £1,600 (19 Mar 1998, Christie's). That is too few for a typical price.",
    "figure": {
        "grade": "sales_only",
        "grade_label": "Sales only",
        "modifiers": [
            "old"
        ],
        "n": 2,
        "median_gbp": null,
        "middle_half_gbp": null,
        "period": [
            "1998-03-19",
            "2002-07-16"
        ],
        "last_3_years": null,
        "pools": null,
        "one_sale_moves_this": null,
        "extras": null,
        "basis": "Auction hammer prices with the buyer’s premium removed; eBay as sold"
    },
    "reason": null,
    "versions": [
        {
            "name": "black",
            "url": "https://www.cameraworth.com/c/concava/tessina/v/black/",
            "kind": "working",
            "n": 0,
            "grade": "none",
            "median_gbp": null
        },
        {
            "name": "chrome",
            "url": "https://www.cameraworth.com/c/concava/tessina/v/chrome/",
            "kind": "working",
            "n": 1,
            "grade": "sales_only",
            "median_gbp": null
        }
    ],
    "set_apart": [],
    "version_status": {
        "matched": 1,
        "pending": 0,
        "undeterminable": 1
    },
    "book_guide": null,
    "sales_shown": [
        {
            "id": 9578,
            "date": "2002-07-16",
            "venue": "Christie's",
            "title": "Tessina no. 65499",
            "price": 199,
            "currency": "GBP",
            "gbp": 169,
            "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-3954809?ldp_breadcrumb=back",
            "lot": "172"
        },
        {
            "id": 9952,
            "date": "1998-03-19",
            "venue": "Christie's",
            "title": "Tessina no. 665538",
            "price": 1840,
            "currency": "GBP",
            "gbp": 1600,
            "basis": "premium_inclusive",
            "version": "chrome",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.christies.com/en/lot/lot-902343?ldp_breadcrumb=back",
            "lot": "318"
        }
    ],
    "sales_ledger": "https://www.cameraworth.com/c/concava/tessina/sales/",
    "citation": "“Concava Tessina: 2 recorded sales, 1998–2002; no typical price (method v1).” cameraworth.com, retrieved 8 October 2026. https://www.cameraworth.com/c/concava/tessina/",
    "method": {
        "version": 1,
        "url": "https://www.cameraworth.com/methodology/"
    },
    "computed_at": "2026-10-08 03:55:00.786470",
    "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."
}