Virgin and Child with Saints Peter and John the Baptist (recto); Saint John the Baptist (verso)Pietro d' Asaro, n.d.
A Drapery Study for the Knees of a Seated Allegorical Figure of Charity (recto); Bust of a Naked Allegorical Figure of Charity with Two Putti (verso)Giovanni Antonio di Francesco Sogliani, 1520/30
Drapery Study of a Standing Figure Facing Right, in ProfileAndrea del Verrocchio, late 1460s–early 1470s