License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Antonio Tempesta. Plate 127: Anius's Daugthers Changing into Birds (Maeonides Pyrenei vim effugientes in aves), from Ovid's 'Metamorphoses', 1606. The Metropolitan Museum of Art.