Plate 3: six eyes, three Ears, two Profiles, and a mouth, from 'The Book for Learning to Draw' (Livre pour apprendre ? dessiner), ca. 1649, Etching, Sheet: 3 1/4 x 2 1/2 in. (8.3 x 6.4 cm), Prints, Stefano della Bella (Italian, Florence 1610?1664 Flo