License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Jacques Callot. L'Aveugle et son Chien (The Beggar and his Dog), from "Les Gueux suite appelée aussi Les Mendiants, Les Baroni, ou Les Barons" (The Beggars, also called the Barons), ca. 1623. The Metropolitan Museum of Art.