License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Cornelis Floris II. Auricular Cartouche with Figures within a Strapwork Frame, from "Veederley Veranderinghe van grotissen ende Compertimenten. Libro Primo", 1556. The Metropolitan Museum of Art.