Studies of Christ's Loincloth (recto), Studies of Bookbindings and of Christ's Loincloth (verso) ; Master of the Coburg Roundels, German, active about 1470 - 1500; about 1490; Pen and brown and black ink, brown and gray wash (recto) ; pen and brown and black ink, brown and gray wash, heightened with white gouache (verso) ; 27. 9 x 20. 6 cm (11 x 8 1/8 in. )