Armet, ca. 1505, Flemish, Steel, copper alloy, H. 12 in. (30.5 cm); W. 8 7/16 in. (21.4 cm); D. 13 in. (33 cm); Wt. 9 lb. 4 oz. (4192 g), Helmets, The helmet bears traces of the armorer's mark, an M beneath a crescent, possibly that of the Flemish ar