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. Eight vases, the largest one in the middle with three sculptures in the round of two nymphs and a triton, plate 2 from "Collection of Various Vases" (Raccolta di Vasi Diversi), ca. 1650–56. The Metropolitan Museum of Art.