License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Rosso Fiorentino. Two Figures in an Architectural Setting: A Female Nude Seated in a Profile View and a Seated Male Nude in a Three-Quarter View with the Left Leg Bent, ca. 1550. The Metropolitan Museum of Art.