{"product_id":"great-britain-1929-2-d-postal-union-congress-watermark-inverted-superb-unmounted-mint-sg437wi","title":"Great Britain 1929 2½d Postal Union Congress, watermark inverted, superb unmounted mint, SG437wi","description":"\u003cp\u003eGreat Britain 1929 2½d Postal Union Congress, watermark inverted, superb unmounted mint, SG437wi\u003c\/p\u003e\n\u003cp\u003eA superb unmounted mint, with full original gum, example of this very difficult to find watermark variety. SG Catalogue Value: £2,500\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Paul Fraser Collectibles","offers":[{"title":"Default Title","offer_id":49124148871393,"sku":"P09012228XX","price":850.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1645\/0221\/files\/P09012228XX_Image.webp?v=1789470276","url":"https:\/\/www.paulfrasercollectibles.com\/products\/great-britain-1929-2-d-postal-union-congress-watermark-inverted-superb-unmounted-mint-sg437wi","provider":"Paul Fraser Collectibles","version":"1.0","type":"link"}