{"product_id":"canada-1851-sg2-proof-6d-prince-albert-in-blue-grey-overprint-specimen-p201008924","title":"CANADA 1851  SG2 Proof 6d Prince Albert in blue-grey overprint Specimen","description":"\u003cp\u003e1851 6d 'Prince Albert', imperforate plate proof in blue-grey on India paper, with vertical 'SPECIMEN.' opt in carmine, a block of 6 (2x3) plated as right pane pos. 6-7\/26-7 with very large margins. Insignificant natural paper flaws (microscopic airhole on right frameline of pos.16) but lovely appearance. Made c. 1851-54, prior to the addition of marginal inscriptions. Unitrade 2TCxi. - P201008924\u003c\/p\u003e","brand":"Stanley Gibbons","offers":[{"title":"Default Title","offer_id":56196503535993,"sku":"P201008924","price":650.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/9709\/4521\/files\/P201008924-1.jpg?v=1763074533","url":"https:\/\/shop.stanleygibbons.com\/products\/canada-1851-sg2-proof-6d-prince-albert-in-blue-grey-overprint-specimen-p201008924","provider":"Stanley Gibbons","version":"1.0","type":"link"}