License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Lambert Suavius. The Amphitheater in Bordeaux [Teatrum Bordeos; Transitorium Caesaris], from "Ruinarum variarum fabricarum delineationes pictoribus caeterisque id genus artificibus multum utiles", 1554. The Metropolitan Museum of Art.