{
    "schema_version": "1.0",
    "source": "Universal Philatelic Auctions Catalogue",
    "record": {
        "catalogue": "UPA103",
        "auction_id": 103,
        "lot_number": 10287,
        "country_area": "Great Britain - QEII (decimal)",
        "subheading": "",
        "date": "1972",
        "sg_reference": "899a",
        "description": "QEII 1972 British Polar Explorers 7½p. Henry HUDSON ERROR GOLD OMITTED MARGINAL BLOCK OF FOUR, complete with 21 FEB 1979 RPS London photo-certificate of authenticity. Minimal bend not affecting appearance mentioned for accuracy only. MISSING GOLD multiples rarely encountered these days. Complete with normal, Cracking Multiple (1 BLK 4 + normal BL4, RPSL 1979 Certificate).",
        "classification": "UM",
        "size": "Medium",
        "plate": "73",
        "sg_catalogue_value_gbp": 1200,
        "upa_estimate_gbp": 725,
        "image_url": "https://www.upastampauctions.co.uk/contents/en-uk/upa103/10287.jpg",
        "canonical_url": "https://catalogue.upastampauctions.co.uk/lot/103/10287/",
        "json_url": "https://catalogue.upastampauctions.co.uk/lot/103/10287.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"
        }
    }
}