License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Honoré Daumier. Not bad, not bad at all the lady over there.... I wonder if she is alone... What rakes we are!, from 'Parisian sketches,' published in Le Charivari, September 8, 1864, September 8, 1864. The Metropolitan Museum of Art.