License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Claude Augustin Duflos le Jeune. Frontispice pour le "Tombeau de Boyle, Locke, et Sydenham" (Frontispiece for the "Tomb of Boyle, Locke, and Sydenham"), 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.