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 12: a seated draughtsman to left, a standing shepherd next to him to right, ruins and animals to the right, a tower in ruins to left in the background, from 'Various landscapes' (Divers paysages), ca. 1641. The Metropolitan Museum of Art.