License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Gregorio Pagani. The Head and Shoulders of a Woman in Profile; Separate Studies of Her Head and Ear (recto); Fragment of Drapery Study, Profile of Architectural Molding (verso), 1592. The Metropolitan Museum of Art.