License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Peter Paul Rubens. Alcibiades Interrupting the Symposium (recto); Sketches of the Baptism of Christ and of a Man (verso), ca. 1601–02 (recto); ca. 1601 (verso). The Metropolitan Museum of Art.