License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Anonymous, French, 16th century. Palazzo Massimo alle Colonne, elevation (recto) Palazzo Massimo alle Colonne, portal, elevation; portal entablature, profile (verso), early to mid-16th century. The Metropolitan Museum of Art.