{"product_id":"2025-worlds-most-expensive-stamps-british-guiana-1-cent-magenta-silver-proof-coin","title":"2025 World's Most Expensive Stamps - British Guiana 1 Cent Magenta Silver Proof Coin","description":"\u003cp\u003eThe British Guiana 1 Cent Magenta stands as one of philately's greatest treasures. This legendary 1856 stamp exists in only one known example, instantly recognisable by its striking magenta hue, iconic sailing ship design, and the handwritten initials of the postal official who issued it.\u003c\/p\u003e\n\u003cp\u003eThis silver proof coin captures that historic essence in precious metal form. It merges the prestige of owning a piece of stamp collecting history with masterful craftsmanship, intricate detailing, and a refined finish that honours the original's character.\u003c\/p\u003e\n\u003cp\u003ePerfect for collectors who value distinctive provenance, scarcity, and pieces with genuine historical significance. A remarkable addition to any serious collection.\u003c\/p\u003e","brand":"Mint Of Poland","offers":[{"title":"Default Title","offer_id":52968905900351,"sku":"MP8119358","price":199.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7527\/4047\/files\/2025-worlds-most-expensive-stamps-british-guiana-1-cent-magenta-silver-proof-coin-8229924.jpg?v=1778764689","url":"https:\/\/directcoins.com.au\/products\/2025-worlds-most-expensive-stamps-british-guiana-1-cent-magenta-silver-proof-coin","provider":"Direct Coins","version":"1.0","type":"link"}