5902924 Arithmetica from the Margarita Philosophica by Gregor Reisch (1467 - 1525) pub, 1503 (engraving) by English School, (16th century); Private Collection; (add.info.: Allegory of Arithmetic, showing Arithmetica supervising a contest between Pythagorus used a counting board and Boethius doing written calculation using Hindu-Arabic numbers;); The Stapleton Collection.