Soldier on Horseback in Catoptric Anamorphosis (after Hendrick Goltzius), ca. 1620?40, Pen and brown ink, brush and brown wash, over traces of leadpoint or soft, grayish black chalk, Sheet: 14 9/16 x 20 3/16 in. (37 x 51.2 cm), Drawings, Jean Fran?oi