License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Jeremias Jakob Sedelmayr. The Silver Tomb of St. John Nepomuk in the Cathedral of St. Veit's Prague, designed by Fischer von Erlach, 1729, ca. 1729. The Metropolitan Museum of Art.