Johannes Regiomontanus; 1436-1476.Calendar; 1476.Hand-colored woodcut and letterpress in black and red; with pen and ink; and metal and string elements; on cream and tan laid papers; in original full alum-tawed pigskin over beveled wooden boards; sewn on raised thongs; blind tooled 鈥榓ll-over' with small tools in an H-frame layout; with two brass hook-clasp fastenings; and hand-sewn headbands; 286 x 205 mm.Inv. No. 1948.343;Chicago; Art Institute.