Cornelis Saftleven (Gorinchem 1607-1681 Rotterdam)

For a comparable study see Saftleven's drawing Young man seated on a stool in the Morgan Library (Acc. no. 1977.16; J.S. Turner, Dutch drawings in The Pierpont Morgan Library: seventeenth to nineteenth centuries, I, New York, 2006, pp. 178-79, no. 268, II, illus.).