License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Honoré Daumier. Ah, my dear sir, allow me to tell you that this year you have quite simply exhibited a masterpiece, from 'Sketches from the Salon,' published in Le Charivari, May 31, 1865, May 31, 1865. The Metropolitan Museum of Art.