License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Nicolas Dauphin de Beauvais. Frontispice pour le "Tombeau du comte William Cowper" (Frontispiece from the "Tomb of William Cowper"), 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.