License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Giovanni Ambrogio Figino. Nude Demon Encircled by a Serpent, after Michelangelo's Last Judgment; and Other Figure Studies (recto); Figure Studies (verso), 1548–1608. The Metropolitan Museum of Art.