License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Francesco Primaticcio. Ulysses and His Companions Fighting the Cicones Before the City of Ismaros, Study for a Destroyed Fresco in the Galerie d'Ulysee, Chateau de Fontainebleau, 1555–60. The Metropolitan Museum of Art.