{
    "schema_version": "1.0",
    "source": "Universal Philatelic Auctions Catalogue",
    "record": {
        "catalogue": "UPA103",
        "auction_id": 103,
        "lot_number": 8931,
        "country_area": "Great Britain - QV (line engraved)",
        "subheading": "",
        "date": "1840-41",
        "sg_reference": "2 & 7",
        "description": "1d black & 1d red, matched Plate 10, 'R - K' check letters, both with 3 clear margins. Used with black MC. (2)",
        "classification": "U",
        "size": "Small",
        "plate": "22",
        "sg_catalogue_value_gbp": 1150,
        "upa_estimate_gbp": 167,
        "image_url": "https://www.upastampauctions.co.uk/contents/en-uk/upa103/8931.jpg",
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        "json_url": "https://catalogue.upastampauctions.co.uk/lot/103/8931.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"
        }
    }
}