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 24: herdsman atop a horse, seen from behind, leads his cattle down a hill, a tower on a hill to left in the background, from "Diversi Capricci", ca. 1644–47. The Metropolitan Museum of Art.