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. A large tree at right, a man on horseback at left, seen from behind riding towards the left, plate 18 from "Various figures and doodles" (Diverses figures et griffonnemens), ca. 1646. The Metropolitan Museum of Art.