License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Guido Reni. The Reclining Headless Body of Holofernes; Study of Female Semi-Nude Figure (on a small separate, unrelated sheet of blue paper, pasted onto the lower left of the large sheet), 1625–40. The Metropolitan Museum of Art.