{
    "schema_version": "1.0",
    "source": "Universal Philatelic Auctions Catalogue",
    "record": {
        "catalogue": "UPA103",
        "auction_id": 103,
        "lot_number": 1631,
        "country_area": "Australia",
        "subheading": "SPECIALISED BRUSDEN WHITE LISTING",
        "date": "1931",
        "sg_reference": "125",
        "description": "GV Head wmk Type 15 perf 13½x12½, 1d green, right marginal block of 6 (3x2) with the 'Steel substitution flaws' & 'Small white dot on Y of penny' (See footnote below BW82(2)z).  Very fine looking l.m.m. on top middle only.  BW82(2)jb, kb,la & m. Cat AU$300+.",
        "classification": "UM",
        "size": "Small",
        "plate": "98",
        "sg_catalogue_value_gbp": null,
        "upa_estimate_gbp": 71,
        "image_url": "https://www.upastampauctions.co.uk/contents/en-uk/upa103/1631.jpg",
        "canonical_url": "https://catalogue.upastampauctions.co.uk/lot/103/1631/",
        "json_url": "https://catalogue.upastampauctions.co.uk/lot/103/1631.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"
        }
    }
}