License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Jean Michel Moreau le Jeune. Birth of the Dauphin: The Crowd Watching the Fireworks on the Place de la Grève, Paris, January 21, 1782, 1782, reprinted ca. 1860. The Metropolitan Museum of Art.