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 Le Paysan Portant sa Pelle sur L'Épaule (The Peasant Carrying his Shovel over his Shoulder), from "Les Caprices" Series A, The Florence Set, 17th century. The Metropolitan Museum of Art.