{
    "schema_version": "1.0",
    "source": "Universal Philatelic Auctions Catalogue",
    "record": {
        "catalogue": "UPA103",
        "auction_id": 103,
        "lot_number": 10152,
        "country_area": "Great Britain - KGV",
        "subheading": "",
        "date": "1924",
        "sg_reference": "420c",
        "description": "KGV Block Cypher watermark 1½d. Red brown printed on the gummed side. Described as Superb unmounted o.g. example of this scarce variety by SG, and it is virtual perfection. EXHIBITION STANDARD (1v. + SG retail card originally priced £1,000=)",
        "classification": "UM",
        "size": "Medium",
        "plate": "31",
        "sg_catalogue_value_gbp": 1000,
        "upa_estimate_gbp": 646,
        "image_url": "https://www.upastampauctions.co.uk/contents/en-uk/upa103/10152.jpg",
        "canonical_url": "https://catalogue.upastampauctions.co.uk/lot/103/10152/",
        "json_url": "https://catalogue.upastampauctions.co.uk/lot/103/10152.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"
        }
    }
}