{"product_id":"barbados-1938-sg251a-mint-kgvi-2halfd-ultramarine-variety-mark-on-central-ornament-p212013514","title":"BARBADOS 1938  SG251a Mint KGVI 2\u0026frac12;d ultramarine variety Mark on central ornament","description":"\u003cp\u003e1938-47 2¬Ωd ultramarine, upper marginal block of 16 (4x4) with centre guide (R1-4\/3-6), the first three stamps of the left column each showing variety 'Mark on central ornament', unmounted o.g. Very fine and scarce in this positional form. - P212013514\u003c\/p\u003e","brand":"Stanley Gibbons","offers":[{"title":"Default Title","offer_id":56196701421945,"sku":"P212013514","price":175.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/9709\/4521\/files\/P212013514-1.jpg?v=1763076135","url":"https:\/\/shop.stanleygibbons.com\/products\/barbados-1938-sg251a-mint-kgvi-2halfd-ultramarine-variety-mark-on-central-ornament-p212013514","provider":"Stanley Gibbons","version":"1.0","type":"link"}