{
    "schema_version": "1.0",
    "source": "Universal Philatelic Auctions Catalogue",
    "record": {
        "catalogue": "UPA103",
        "auction_id": 103,
        "lot_number": 11237,
        "country_area": "Hong Kong",
        "subheading": "",
        "date": "1987",
        "sg_reference": "538A-552A",
        "description": "Machin Type I set to $50 in top right corner Plate blocks of 10(150) fine unmounted mint",
        "classification": "UM",
        "size": "Large",
        "plate": "0",
        "sg_catalogue_value_gbp": 650,
        "upa_estimate_gbp": 137,
        "image_url": null,
        "canonical_url": "https://catalogue.upastampauctions.co.uk/lot/103/11237/",
        "json_url": "https://catalogue.upastampauctions.co.uk/lot/103/11237.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"
        }
    }
}