License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Anonymous, Italian, Piedmontese, 18th century. One Quarter of a Design for a Painted Ceiling (recto); Frieze with Putto, Vases, and Other Decorations (verso), 1700–1780. The Metropolitan Museum of Art.