Study of the Head of a Youth Gazing Upward; late 15th-early 16th century; Black chalk; Squared in black chalk; eyes; nose; ears; mouth retouched with pen and brown ink.; 8 7/8 x 5 15/16 in. (22.6 x 15.1 cm); Drawings; Workshop of Perugino (Pietro di Cristoforo Vannucci) (Italian; Citt?della Pieve; active by 1469-died 1523 Fontignano); This study of a male head; seen from below in a foreshortening technique known in Italian as 'di sotto in su' (meaning "from below; upward"); may have served as a preparatory study for a figure in a painting