License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Jacques Callot. Le Buveur Vu de Dos (The Drinker Seen from Behind), from "Varie Figure Gobbi, suite appelée aussi Les Bossus, Les Pygmées, Les Nains Grotesques" (Various Hunchbacked Figures, The Hunchbacks, The Pygmes, The Grotesque Dwarfs), 1616–22. The Metropolitan Museum of Art.