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 131: Scylla Changed by Circe's Spell (Scylla Circes veneficÿs in monstrum marinum), from Ovid's 'Metamorphoses', 1606. The Metropolitan Museum of Art.