License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Stefano della Bella. Rébus on the subject of love, a riddle depicted on drapery, below a landscape with a pyramid and two obelisks, a bust of a sphinx at bottom, an oval composition, ca. 1639. The Metropolitan Museum of Art.