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. "Buzurjmihr Explains the Game of Backgammon (Nard) to the Raja of Hind", Folio from the First Small Shahnama (Book of Kings), ca. 1300–30. The Metropolitan Museum of Art.