License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Jacques Callot. Restauration de L'Aqueduc de Pise (Restoring the Aqueduct in Pisa), from "La Vie de Ferdinand Ier de Medici" (The Life of Ferdinand I de'Medici), 1614–20. The Metropolitan Museum of Art.