{
    "schema_version": "1.0",
    "source": "Universal Philatelic Auctions Catalogue",
    "record": {
        "catalogue": "UPA103",
        "auction_id": 103,
        "lot_number": 21006,
        "country_area": "Great Britain - QV (line engraved)",
        "subheading": "",
        "date": "1840",
        "sg_reference": "3",
        "description": "1d grey-black, plate 7, FA (double letter 'F'), 4 small to huge margins, bold upright black MC, fine used.  SG Spec. AS47b",
        "classification": "U",
        "size": "Small",
        "plate": "61",
        "sg_catalogue_value_gbp": 500,
        "upa_estimate_gbp": 345,
        "image_url": "https://www.upastampauctions.co.uk/contents/en-uk/upa103/21006.jpg",
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        "json_url": "https://catalogue.upastampauctions.co.uk/lot/103/21006.json",
        "current_catalogue": true,
        "last_updated": "2026-10-02T15:47:51+00:00",
        "transaction": {
            "label": "View / bid",
            "url": "https://www.upastampauctions.co.uk/contents/en-uk/UPA103-AllLots.html"
        }
    }
}