License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Henri de Toulouse-Lautrec. Ambroise Thomas assistant à une répétition de Françoise de Rimini, from Le Rire, No. 66, 8 February 1896, 1896. The Metropolitan Museum of Art.