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 soldier in profile galloping to the right holding a lance in his right hand, followed by another horseman behind, plate 20 from "Various figures and doodles" (Diverses figures et griffonnemens), ca. 1646. The Metropolitan Museum of Art.