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 L'Homme vu de Dos, La Main Droit Tendue (Man Viewed from Behind, His Right Hand Extended), from "Les Caprices" Series A, The Florence Set, 17th century. The Metropolitan Museum of Art.