{"product_id":"great-britain-1840-1d-rainbow-trial-state-1-sgdp20","title":"Great Britain 1840 1d Rainbow trial (State 1), SGDP20","description":"\u003cp\u003eGreat Britain 1840 1d Rainbow trial (State 1), SGDP20.\u003c\/p\u003e\n\u003cp\u003eA very fine and fresh four margin unused example in reddish brown.\u003c\/p\u003e\n\u003cp\u003eA very scarce State 1 example.\u003c\/p\u003e\n\u003cp\u003eThese trials were produced to test various combinations of stamp and cancellation ink.\u003c\/p\u003e\n\u003cp\u003eIt has long been considered that the voiding of the corners was achieved by filling the grooves of the plate with wax. However, recent research has brought this assumption into question. It is believed that the wax could not have withstood the immense pressure and would not have given a consistent result. To date, the exact method employed has not been determined, but is believed to either have been using a harder filling substance or the area being completely ground away.\u003c\/p\u003e\n\u003cp\u003eGB Specialised Catalogue No: DP20 (state 1).\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e BUY NOW: Order online, by phone +44 (0)1534 639 998, or via email info@paulfrasercollectibles.com \u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1645\/0221\/products\/1B412617-901B-40D7-AB25-6AC2612694CF_1_201_a.jpg?v=1674042329\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Paul Fraser Collectibles","offers":[{"title":"Default Title","offer_id":67020518490483,"sku":"JP5602","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1013\/5679\/8323\/files\/img20230118_11435707.jpg?v=1790854219","url":"https:\/\/sagesshop.com\/products\/great-britain-1840-1d-rainbow-trial-state-1-sgdp20","provider":"Sages Living","version":"1.0","type":"link"}