{
    "schema_version": "1.0",
    "source": "Universal Philatelic Auctions Catalogue",
    "record": {
        "catalogue": "UPA103",
        "auction_id": 103,
        "lot_number": 970,
        "country_area": "Australia",
        "subheading": "",
        "date": "1973",
        "sg_reference": "544 var",
        "description": "National Development (2nd series). 35c (Mapping) with 2 varieties: 'Vertical retouch in green through middle and lower part of stamp' R2/8 (Brusden White 634d, premium x 13 of normal) NE corner positional block of 12; 'Retouches in dark red to upper left and middle right of circle' R3/8 (BW 634f x 13) same block of 12. All UM. CV c£40.",
        "classification": "UM",
        "size": "Medium",
        "plate": "0",
        "sg_catalogue_value_gbp": 0,
        "upa_estimate_gbp": 20,
        "image_url": null,
        "canonical_url": "https://catalogue.upastampauctions.co.uk/lot/103/970/",
        "json_url": "https://catalogue.upastampauctions.co.uk/lot/103/970.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"
        }
    }
}