License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Honoré Daumier. Regardez donc un peu oû ils ont niché mon cadre!..., from L'Exposition de 1859, published in Le Charivari, April 20, 1859, April 20, 1859. The Metropolitan Museum of Art.