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. "Siyavush Stands Accused by Sudaba before Kai Kavus", Folio 163v from the Shahnama (Book of Kings) of Shah Tahmasp, ca. 1530–35. The Metropolitan Museum of Art.