License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Honoré Daumier. Notice to connoisseurs.... in case there are any left in France!, from 'News of the day,' published in Le Charivari, May 25, 1872, May 25, 1872. The Metropolitan Museum of Art.