{"product_id":"great-britain-1913-1s-bistre-specimens-marginal-unused-control-block-of-4-sg395s","title":"Great Britain 1913 1s bistre Specimens, marginal unused control block of 4, SG395s","description":"\u003cp\u003eGreat Britain 1913 1s bistre Specimens, SG395s.\u003c\/p\u003e\n\u003cp\u003eA very fine unused, with original gum, bottom marginal C.13(P) control block of four overprinted \"SPECIMEN\" type 26, produced as a colour standard for the first Somerset House printing.\u003c\/p\u003e\n\u003cp\u003eA rare an high quality control piece.\u003c\/p\u003e\n\u003cp\u003eSG Catalogue Value: £1,500+.\u003c\/p\u003e","brand":"Paul Fraser Collectibles","offers":[{"title":"Default Title","offer_id":50817914568929,"sku":"G1564926","price":220.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1645\/0221\/files\/G1564926.jpg?v=1791465680","url":"https:\/\/www.paulfrasercollectibles.com\/products\/great-britain-1913-1s-bistre-specimens-marginal-unused-control-block-of-4-sg395s","provider":"Paul Fraser Collectibles","version":"1.0","type":"link"}