License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Honoré Daumier. Old fellow, your painting lacks warmth, and the painter to be sure!, from 'The winter landscape painters,' published in Le Charivari, December 6, 1864, December 6, 1864. The Metropolitan Museum of Art.