{
    "type": "product",
    "name": "Sanderson A-Pattern",
    "url": "https://www.cameraworth.com/s/sanderson/a-pattern/",
    "brand": {
        "name": "Sanderson",
        "url": "https://www.cameraworth.com/s/sanderson/"
    },
    "answer": "The Sanderson A-Pattern sells for about £350 (median of only 6 recorded sales, 2002–2026; indicative).",
    "figure": {
        "grade": "indicative",
        "grade_label": "Indicative",
        "modifiers": [],
        "n": 6,
        "median_gbp": 350,
        "middle_half_gbp": null,
        "period": [
            "2002-12-11",
            "2026-03-30"
        ],
        "last_3_years": null,
        "pools": null,
        "one_sale_moves_this": {
            "without_lowest": 380,
            "without_flagged": 400,
            "without_highest": 320
        },
        "extras": {
            "median_usd": 476,
            "median_eur": 420,
            "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": 21251,
            "date": "2026-03-30",
            "venue": "Chiswick Auctions",
            "title": "A Sanderson A-Pattern Field Camera",
            "price": 76,
            "currency": "GBP",
            "gbp": 60,
            "basis": "premium_inclusive",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [
                "far_below"
            ],
            "source_url": null,
            "lot": "148"
        },
        {
            "id": 6828,
            "date": "2025-04-29",
            "venue": "Flints Auctions",
            "title": "A Sanderson Folding Plate Camera",
            "price": 62,
            "currency": "GBP",
            "gbp": 50,
            "basis": "premium_inclusive",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [
                "far_below",
                "title_miss"
            ],
            "source_url": null,
            "lot": "403"
        },
        {
            "id": 38629,
            "date": "2023-11-21",
            "venue": "Flints Auctions",
            "title": "A Fine Sanderson A-Pattern Mahogany & Aluminium Whole Plate Field Camera",
            "price": 400,
            "currency": "GBP",
            "gbp": 320,
            "basis": "premium_inclusive",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": null,
            "lot": "262"
        },
        {
            "id": 38385,
            "date": "2017-10-20",
            "venue": "Flints Auctions",
            "title": "A Grand Sanderson \"A Pattern\" 12x15\" Mahogany Field Camera",
            "price": 840,
            "currency": "GBP",
            "gbp": 700,
            "basis": "premium_inclusive",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": null,
            "lot": "390"
        },
        {
            "id": 18355,
            "date": "2017-10-20",
            "venue": "Flints Auctions",
            "title": "A Fine Sanderson A-Pattern Half Plate Mahogany Field Camera",
            "price": 504,
            "currency": "GBP",
            "gbp": 420,
            "basis": "premium_inclusive",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": null,
            "lot": "258"
        },
        {
            "id": 23900,
            "date": "2002-12-11",
            "venue": "Christie's",
            "title": "Sanderson A-pattern field camera no. 7833",
            "price": 446,
            "currency": "GBP",
            "gbp": 380,
            "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-4028328?ldp_breadcrumb=back",
            "lot": "103"
        }
    ],
    "sales_ledger": "https://www.cameraworth.com/s/sanderson/a-pattern/sales/",
    "citation": "“Sanderson A-Pattern: about £350, the median of 6 recorded sales, 2002–2026 (Indicative, method v1).” cameraworth.com, retrieved 8 October 2026. https://www.cameraworth.com/s/sanderson/a-pattern/",
    "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."
}