License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Anonymous. Reverse Copy of Le Jardin, appelé aussi Le Marais (The Garden, also called The Marsh), plate 1 from "Les Quatre Paysages" (The Four Landscapes), 17th century. The Metropolitan Museum of Art.