{"product_id":"british-guiana-1938-sg308s19s-specimen-kgvi-set-of-12-to-usd3-unmounted-mint-p223008648","title":"BRITISH GUIANA 1938  SG308s\/19s Specimen KGVI set of 12 to $3 unmounted mint","description":"\u003cp\u003e1938-52 set of 12 to $3 (marginal except $2, $3), perf \"SPECIMEN\" (type W8a, except 48c and 96c type W8 and the 1945 $2 and $3 type W9), unmounted o.g. The 48c with one short perf, still a fine and attractive set. [N.B. The 1c and $1 apparently with interpane margin at left (1c), or right from the original printer's double pane sheets, such as are never encountered with the issued stamps. Rare and most interesting thus.] - P223008648\u003c\/p\u003e","brand":"Stanley Gibbons","offers":[{"title":"Default Title","offer_id":56196513464697,"sku":"P223008648","price":450.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/9709\/4521\/files\/P223008648-1.jpg?v=1763075049","url":"https:\/\/shop.stanleygibbons.com\/products\/british-guiana-1938-sg308s19s-specimen-kgvi-set-of-12-to-usd3-unmounted-mint-p223008648","provider":"Stanley Gibbons","version":"1.0","type":"link"}