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. Two noblemen seated in center, seen from behind, conversing with a noblewoman seated between them, a noblewoman and man seated to left in background and standing to right in background, plate 7 from "Various Figures" (Agréable diversité de figures), 1642. The Metropolitan Museum of Art.