License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Abu'l Qasim Firdausi. "Hurmuzd I's Last Testament to Prince Bahram I", Folio 535r from the Shahnama (Book of Kings) of Shah Tahmasp, ca. 1525–30. The Metropolitan Museum of Art.