License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Honoré Daumier. Oui madame..., ces animaux-là viennent tous du jardin des plantes..., from La Société d'Acclimatation, published in "Le Charivari", September 24, 1858. The Metropolitan Museum of Art.