License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Aegidius Sadeler II. Plate 4: Vase or Ewer with a Frieze containing mermaids and centaurs, and below a lion's head with garlands and ribbons, from "Antique Vases" (Vasa a Polydoro Caravagino), 1605. The Metropolitan Museum of Art.