License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Giuseppe Zocchi. The Royal Villa called il Poggio Imperiale (La Real Villa detta il Poggio Imperiale), view of the façade and balustrade with statuary, from "Views of the city and other places of Tuscany" (Vedute delle ville e d'altri luoghi della Toscana), 1744. The Metropolitan Museum of Art.