License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Richard Earlom. Leaf from Aedes Walpolianae mounted with a print and a drawing (a): Head in Profile of Prodigal Son; (b): The Wagonner (after Peter Paul Rubens) in Jean-Paul Mariette mount, 1620–1766. The Metropolitan Museum of Art.