{
    "schema_version": "1.0",
    "source": "Universal Philatelic Auctions Catalogue",
    "record": {
        "catalogue": "UPA103",
        "auction_id": 103,
        "lot_number": 1053,
        "country_area": "Australia",
        "subheading": "",
        "date": "1979",
        "sg_reference": "659a var",
        "description": "Early Australian Aviators. Bert Hinkler with Avro Type 581 Avian. 18c, UM with variety 'IMPERFORATE - UPPER PAIR IN VERTICAL STRIP OF 10' with upper stamp totally imperforate. Brusden White notes that 'it is suggested that at least four sheets showing the top horizontal row of Hinkler stamps imperforate exist, giving a total of at least 20 strips'.",
        "classification": "UM",
        "size": "Large",
        "plate": "74",
        "sg_catalogue_value_gbp": 600,
        "upa_estimate_gbp": 360,
        "image_url": "https://www.upastampauctions.co.uk/contents/en-uk/upa103/1053.jpg",
        "canonical_url": "https://catalogue.upastampauctions.co.uk/lot/103/1053/",
        "json_url": "https://catalogue.upastampauctions.co.uk/lot/103/1053.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"
        }
    }
}