License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Francesco Maria Richini (or Ricchino). Design for the Triumphal Arch at the Porta Ticinese in Milan, with the Imperial Arms of the Hapsburg and Allegorical Figures, 1633. The Metropolitan Museum of Art.