{
    "schema_version": "1.0",
    "source": "Universal Philatelic Auctions Catalogue",
    "record": {
        "catalogue": "UPA103",
        "auction_id": 103,
        "lot_number": 20142,
        "country_area": "Trinidad and Tobago - Trinidad",
        "subheading": "",
        "date": "1923-45",
        "sg_reference": "D18-D20",
        "description": "KGV: Postage Dues: 1d, 2d & 3d, wmk Mult Script CA. Marginal blocks of 4, all Plate 1, UM but with brownish gum.",
        "classification": "PD",
        "size": "Small",
        "plate": "0",
        "sg_catalogue_value_gbp": 100,
        "upa_estimate_gbp": 20,
        "image_url": null,
        "canonical_url": "https://catalogue.upastampauctions.co.uk/lot/103/20142/",
        "json_url": "https://catalogue.upastampauctions.co.uk/lot/103/20142.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"
        }
    }
}