License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Stefano della Bella. Seven vases, the vase in the middle decorated with the face of Medusa, Plate 1 from "Collection of Various Vases" (Raccolta di Vasi Diversi), ca. 1650–56. The Metropolitan Museum of Art.