License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Honoré Daumier. View of a studio the final week before the exhibition, from 'Parisian sketches,' published in Le Charivari, April 1, 1864, April 1, 1864. The Metropolitan Museum of Art.