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. View of the fortifications, two men lifting a plank at right, several ships and boats the background and a galley at left, from 'Views of the port of Livorno' (Vues du port de Livourne), 1655. The Metropolitan Museum of Art.