Study for the Duel between Heraclius and Khosrau (recto); Sketches of Seated Figure (verso) (Italy, 1582)
Pen and brown ink, with brush and pale brown wash, with black chalk (recto) and black chalk (verso), on ivory laid paper
27.5 × 26.6 cm (10 7/8 × 10 1/2 in.)
