License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Honoré Daumier. The landscape painters, the first copies nature, the second copies the first, from 'The artists,' published in Le Charivari, May 12, 1865, May 12, 1865. The Metropolitan Museum of Art.