License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Anonymous, Italian, 16th to early 17th century. Galatea escaping Polyphemus; he is seated on a rock holding a staff and pipes and looking towards Galatea at right riding a shell pulled by two dolphins, Cupid flying above, ca. 1515–1600. The Metropolitan Museum of Art.