License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Giovanni Battista Foggini. Studies for a Sculpture with Figures of Prudence, Industry and Economy Supported by Slaves and an Oval Plaque with Cartouche; Separate Study for a Cupola (recto); Studies for Figural Ornament (verso), 1672–1725. The Metropolitan Museum of Art.