{"product_id":"playfair-cipher-poster-codebreaking-key-square-art-print","title":"Playfair Cipher Poster - Codebreaking Key Square Art Print","description":"\u003ch2\u003ePlayfair Cipher Poster\u003c\/h2\u003e\n\u003cp\u003eA five by five Playfair key square built from the keyword PLAYFAIR EXAMPLE, with the pair HI picked out and its partners B and M in terracotta. Bold blocks of mustard on navy make it a graphic print for a study, office or puzzle lover's wall.\u003c\/p\u003e\n\u003cp\u003ePart of our Codes \u0026amp; Ciphers set in the Poster Kingz Puzzle \u0026amp; Science range. The fact behind the art: Invented by Charles Wheatstone in 1854 and promoted by Lord Playfair, the cipher encrypts letter pairs; with this key square HI becomes BM by the rectangle rule. Every design is drawn in code from the real data, so the details are right, then printed in our modern palette of cream, navy, terracotta, mustard and teal.\u003c\/p\u003e\n\u003ch3\u003eProduct details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eExclusive Poster Kingz design\u003c\/li\u003e\n  \u003cli\u003eAvailable in A5, A4, A3 and A2 unframed sizes\u003c\/li\u003e\n  \u003cli\u003eAlso available framed in A5, A4 and A3, ready to hang straight out of the box\u003c\/li\u003e\n  \u003cli\u003ePrinted on premium quality paper stock\u003c\/li\u003e\n  \u003cli\u003eDesigned and printed in the UK by Poster Kingz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSee the rest of the set in our \u003ca href=\"\/collections\/puzzle-posters\"\u003ePuzzle Posters\u003c\/a\u003e collection, or browse the whole \u003ca href=\"\/collections\/puzzle-science-posters\"\u003ePuzzle \u0026amp; Science Posters\u003c\/a\u003e range.\u003c\/p\u003e","brand":"Poster Kingz","offers":[{"title":"A5 (unframed) 5.8 × 8.3 in","offer_id":58255530688894,"sku":null,"price":7.99,"currency_code":"GBP","in_stock":true},{"title":"A4 (unframed) 8.3 × 11.7 in","offer_id":58255530721662,"sku":null,"price":9.99,"currency_code":"GBP","in_stock":true},{"title":"A3 (unframed) 11.7 × 16.5 in","offer_id":58255530754430,"sku":null,"price":14.99,"currency_code":"GBP","in_stock":true},{"title":"A2 (unframed) 16.5 × 23.4 in","offer_id":58255530787198,"sku":null,"price":22.99,"currency_code":"GBP","in_stock":true},{"title":"A5 Framed","offer_id":58255530819966,"sku":null,"price":19.99,"currency_code":"GBP","in_stock":true},{"title":"A4 Framed","offer_id":58255530852734,"sku":null,"price":24.99,"currency_code":"GBP","in_stock":true},{"title":"A3 Framed","offer_id":58255530885502,"sku":null,"price":29.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0695\/8989\/3410\/files\/playfair-cipher-poster-codebreaking-key-square-art-print-1.jpg?v=1792269253","url":"https:\/\/posterkingzuk.com\/products\/playfair-cipher-poster-codebreaking-key-square-art-print","provider":"Poster Kingz","version":"1.0","type":"link"}