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. A cartouche supported by a duck below and decorated with two nymphs whose arms become tree branches, plate 6 from "Nouvelles inventions de Cartouches", ca. 1647. The Metropolitan Museum of Art.