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. Unidentified, funerary altar, plan and elevations (recto) S. Giovanni Laterano, Oratorio della Santa Croce, paneling, elevation (verso), early to mid-16th century. The Metropolitan Museum of Art.