License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Honoré Daumier. The Republic calls us! Let us be victorious or die, from 'News of the day,' published in Le Charivari, September 20, 1870, September 20, 1870. The Metropolitan Museum of Art.