License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Charles Meryon. Passerelle du Pont-au-Change, après l'incendie de 1621 (The Footbridge temporarily replacing the Pont-au-Change, Paris, after the fire of 1621), 1860. The Metropolitan Museum of Art.