License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Giovanni Battista Piranesi. Bird in shell at the center of the lintel, with a frieze of trophies, surmounted by an overmantel with candelabra and flanked by chairs. (Ch. décorée d'une frise de casques et d'armures . . .), 1769 (?). The Metropolitan Museum of Art.