License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Honoré Daumier. My friend, why are you up in the middle of the night, are you ill?, from 'The spiritualists,' published in Le Charivari, November 7, 1865, November 7, 1865. The Metropolitan Museum of Art.