License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Honoré Daumier. Parisiens surpris par la marée montante, from Émotions de Voyage, published in Le Charivari, October 8, 1857, October 8, 1857. The Metropolitan Museum of Art.