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 parliamentary trains: A right wing deputy is shocked by the sight of the red flag of the signal-man, assuming that the Commune has been proclaimed at Versailles, from 'News of the day,' published in Le Charivari, January 22, 1872, January 22, 1872. The Metropolitan Museum of Art.