Drawing. Date: early to mid-16th century. Dimensions: sheet: 16 7/8 x 11 7/16 in. (42.9 x 29 cm). Medium: black chalk, brown ink. Collection: Metropolitan Museum of Art. St. Peter's, apse, window, elevation (recto) Unidentified, portal, elevation (verso) MET sf49 92 89v-MM35213
