{
    "schema_version": "1.0",
    "source": "Universal Philatelic Auctions Catalogue",
    "record": {
        "catalogue": "UPA103",
        "auction_id": 103,
        "lot_number": 3290,
        "country_area": "British Guiana",
        "subheading": "",
        "date": "1937-51",
        "sg_reference": "305-29",
        "description": "GVI basic listing complete on Crown album pages, defin set to $3, SW pair & Dues set of 4 ord (4c chalky) Fine looking m.m. (28).",
        "classification": "MH",
        "size": "Large",
        "plate": "0",
        "sg_catalogue_value_gbp": 215,
        "upa_estimate_gbp": 44,
        "image_url": null,
        "canonical_url": "https://catalogue.upastampauctions.co.uk/lot/103/3290/",
        "json_url": "https://catalogue.upastampauctions.co.uk/lot/103/3290.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"
        }
    }
}