Abu'l Qasim Firdausi; 'Rakhsh Kills a Lion while Rustam is Asleep'; Folio from a Shahnama (Book of Kings) of Firdausi; Abu'l Qasim Firdausi (935-1020); Folio from an illustrated manuscript; ca. 1300-30; Attributed to Northwestern Iran or Baghdad; Ink; opaque watercolor; silver; and gold on paper; Text block: 6 1/16 x 4 13/16 in. (15.4 x 12.3 cm); Painting: 1 13/16 x 3 5/16 in. (4.6 x 8.4 cm); Codices