{
    "schema_version": "1.0",
    "source": "Universal Philatelic Auctions Catalogue",
    "record": {
        "catalogue": "UPA103",
        "auction_id": 103,
        "lot_number": 9700,
        "country_area": "Great Britain - KEVII",
        "subheading": "",
        "date": "1902",
        "sg_reference": "215Wi",
        "description": "KEVII ½d. Blue-green ERROR INVERTED WATERMARK in Rare unmounted mint never hinged original gum condition. Well-centred fractionally S. a SUPERB example with original colour, full perforation and unmounted mint never hinged original gum. Previously supplied by SG for £3,750=. Premium example, current 'London' retail price £2,750=.  £250= in excess of the current SG £2,500= catalogue price. To my knowledge the 1st never hinged example we have handled in ten years. (1v. + SG Retail card)",
        "classification": "UM",
        "size": "Medium",
        "plate": "2",
        "sg_catalogue_value_gbp": 2500,
        "upa_estimate_gbp": 1950,
        "image_url": "https://www.upastampauctions.co.uk/contents/en-uk/upa103/9700.jpg",
        "canonical_url": "https://catalogue.upastampauctions.co.uk/lot/103/9700/",
        "json_url": "https://catalogue.upastampauctions.co.uk/lot/103/9700.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"
        }
    }
}