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. Title page for "The Child Nino" (Il Nino Figlio), a stage with the curtain drawn, the coat of arms of the duke of Modena at top center, spectators below, ca. 1655. The Metropolitan Museum of Art.