License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Louis Desplaces. Painting (La Peinture): a monkey seated at an easel, dressed in a robe and beret and holding a painter's palette, a framed painting hanging on the wall beyond, ca. 1700–1739. The Metropolitan Museum of Art.