License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Giovanni Jacopo Caraglio. Plate 14: Mercury standing in a niche playing his pipes, with the severed head of an old man and a sword at his feet, from "Mythological Gods and Goddesses", 1526. The Metropolitan Museum of Art.