1. Copper alloy dirham of Qara Arslan/al-Mansur Fakhr al-Din 'Uthman, Kayfa, nd H. 1998.25.826 Creator: Authority: Qara ArslanAuthority: al-Mansur Fakhr al-Din 'Uthman Geographic region: Mint: KayfaRegion: CaucasusState: Burji (Circassians) Mamluks Time period: Artuqid of Amid and Hisn Kayfa Medium: Copper alloy Extent: Diameter: 31.0Weight: 8.754