License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Jacques Callot. Les Deux Turcs Coiffés d'un Turban Avec un Aigrette (Two Turks Wearing Turbans with an Egret Feather), plate 8 from "Varie Figure" (Various Figures), ca. 1620. The Metropolitan Museum of Art.