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. Composite capital, plan, elevation, and details; frieze, detail (recto) Forum of Nerva, entablature and attic, profiles; portico, perspective, and cornice, profile (verso), early to mid-16th century. The Metropolitan Museum of Art.