License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Lambert Suavius. Horizontal Landscape with the remains of the Nymphaeum, mistakenly identified as the Temple of Minerva Medica in Rome, from "Ruinarum variarum fabricarum delineationes pictoribus caeterisque id genus artificibus multum utiles", 1554. The Metropolitan Museum of Art.