License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Honoré Daumier. Intérieur d'un wagon de troisième classe..., from Les Agréments des Chemins de Fer, published in Le Charivari, December 13, 1856, December 13, 1856. The Metropolitan Museum of Art.