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. Plate 8: a seated horse to right, seen from behind and turned to the left, three other horses in middleground, a tree in center, from "Various Figures" (Agréable diversité de figures), 1642. The Metropolitan Museum of Art.