{"product_id":"karel-martens-birthday-calendar","title":"Karel Martens: Birthday Calendar","description":"\u0026lt;p\u0026gt;By Karel Martens. Published by Roma Publications (Amsterdam), ROMA #512.\u0026lt;\/p\u0026gt;\u0026lt;p\u0026gt;A wall-hanging perpetual birthday calendar with layered, multi-hued patterns based on a single geometrical composition punched out of coloured cardstock in multiple directions. Originally conceived by Martens in 1968, the design remained unrealised until now.\u0026lt;\/p\u0026gt;\u0026lt;p\u0026gt;Softcover, 11.75 x 16.5 in, 14 pages.\u0026lt;\/p\u0026gt;","brand":"Dunes.fyi","offers":[{"title":"Default","offer_id":52811305713975,"sku":"9789464461046","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/1109\/7399\/files\/NEW-WI20259956_da66d3d5-4941-40a8-b3fa-631dd355b27d.jpg?v=1786378278","url":"https:\/\/dunesbooks.fyi\/products\/karel-martens-birthday-calendar","provider":"Dunes.fyi","version":"1.0","type":"link"}