License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Honoré Daumier. In the middle of the river: Come on, Balochet, give it a push!... You mustn't forget that some forty Parisians are watching us from the bridge up there!, from 'The bathers,' published in Le Petit Journal pour Rire, July 30, 1864, July 30, 1864. The Metropolitan Museum of Art.