License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Honoré Daumier. Le danseur qui se pique d'avoir conservé..., from Croquis Dramatiques, published in Le Charivari, January 23, 1857, January 23, 1857. The Metropolitan Museum of Art.