1. Billon dirham of Muhammad b. Yusuf, Farwan. 0000.999.45595 Creator: Authority: Muhammad b. Yusuf Geographic region: Mint: FarwanRegion: Mashriq Medium: Billon Extent: Diameter: 20.0Weight: 2.82
2. Copper alloy fals of Muhammad b. Yusuf, al-Rafiqa, 226 H. 1917.216.223 Creator: Authority: Muhammad b. Yusuf Date: 226 AH Geographic region: Mint: al-RafiqaRegion: Caucasus Time period: `Abbasid Medium: Copper alloy Extent: Diameter: 19.0Weight: 2.585