License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Honoré Daumier. Is this really what the philosophers were thinking of when they asked that the nations should form a mutual bundle?, from 'News of the day,' published in "Le Charivari", March 22, 1867. The Metropolitan Museum of Art.