License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Anonymous. Reverse Copy of La Gentilhomme au Grand Manteau, Vu de Face (Gentleman with a Large Mantle, Seen from the Front), from Les Caprices Series A, The Florence Set, 17th century. The Metropolitan Museum of Art.