{"product_id":"great-britain-1913-4d-colour-trial-sg-378var-24","title":"Great Britain 1913 4d colour trial, SG378var","description":"\u003cp\u003eGreat Britain 1913 4d colour trial, SG378var.\u003c\/p\u003e\n\u003cp\u003eA superb unmounted mint, with full original gum, example in bluish grey green on gummed watermarked paper printed at Somerset House.\u003c\/p\u003e\n\u003cp\u003eA rare King George V printer's colour trial.\u003c\/p\u003e\n\u003cp\u003eAccompanied with a 2009 Royal Philatelic Society (RPS) Certificate of Authenticity.\u003c\/p\u003e\n\u003cp\u003eSG Catalogue Value: £3,500.\u003c\/p\u003e","brand":"Paul Fraser Collectibles","offers":[{"title":"Default Title","offer_id":45510388449505,"sku":"G1564984","price":400.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1645\/0221\/files\/RS6397.jpg?v=1721230111","url":"https:\/\/www.paulfrasercollectibles.com\/products\/great-britain-1913-4d-colour-trial-sg-378var-24","provider":"Paul Fraser Collectibles","version":"1.0","type":"link"}