{"product_id":"gb-1845-pre-stamp-london-m-b-p212021024","title":"GB 1845 Pre-Stamp - London M-B","description":"\u003cp\u003e1845 Maritime mail. Very fine cover to London posted on board a channel steamer, rated in manuscript '1\/3' for an up to ¬Ωoz letter, cancelled upon arrival with the scarce London boxed 'M-B' (Moveable box, Robertson type MB1) handstamp in black with a red Ship-Letter\/London (Robertson type S28) datestamp for DE.16.1845 on reverse. Scarce, very unusual to find the two handstamps in different colours. - P212021024\u003c\/p\u003e","brand":"Stanley Gibbons","offers":[{"title":"Default Title","offer_id":56194444231033,"sku":"P212021024","price":250.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/9709\/4521\/files\/P212021024-1.jpg?v=1763047854","url":"https:\/\/shop.stanleygibbons.com\/products\/gb-1845-pre-stamp-london-m-b-p212021024","provider":"Stanley Gibbons","version":"1.0","type":"link"}