License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Michel Aubert. Frontispice pour le "Tombeau de Charles Sackville, comte de Dorset" (Frontispiece for the "Tomb of Charles Sackville, Earl of Dorset", from Tombeaux des Princes, des Grands Capitaines et autres Hommes illustres (Tombs of Princes, Great Captains, and other Illustrious Men), ca. 1736. The Metropolitan Museum of Art.