{"product_id":"canada-1851-sg2-proof-6d-prince-albert-in-dark-grey-overprinted-specimen-p201008926","title":"CANADA 1851  SG2 Proof 6d Prince Albert in dark grey overprinted Specimen","description":"\u003cp\u003e1851 6d 'Prince Albert', imperforate plate proof in dark grey on India paper, with vertical 'SPECIMEN.' opt in carmine, block of 4 with large to very large margins. Very fine and most attractive. Made c. 1851-54, prior to the addition of marginal inscriptions. Unitrade 2TCvii. - P201008926\u003c\/p\u003e","brand":"Stanley Gibbons","offers":[{"title":"Default Title","offer_id":56196503470457,"sku":"P201008926","price":650.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/9709\/4521\/files\/P201008926-1.jpg?v=1763074525","url":"https:\/\/shop.stanleygibbons.com\/products\/canada-1851-sg2-proof-6d-prince-albert-in-dark-grey-overprinted-specimen-p201008926","provider":"Stanley Gibbons","version":"1.0","type":"link"}