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, entablature, elevation (recto); Portico, Doric capital and entablature, elevation and Unknown, Corinthian cornice, elevation (verso), early to mid-16th century. The Metropolitan Museum of Art.