1. Billon dirham of Nasr b. al-Husayn Toghril Khan, x, 439 ff. H. 1917.216.390 Creator: Authority: Nasr b. al-Husayn Toghril Khan Geographic region: Mint: xRegion: Central Asia Time period: Qarakhan Medium: Billon Extent: Diameter: 27.0Weight: 2.943