License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Giulio Carpioni. Water, represented by a naiad seated at the base of a tree and resting her arm on a supine urn from which water flows, behind her a triton and other inhabitants of the sea rise from the water surface, from "The Elements", 1640–60. The Metropolitan Museum of Art.