ItemNo: 260
Acc_no: AR0380
Ruler: al-Mahdi (775-785 AD)
Dynasty: Abbasid Caliphate
Denomination: AR dirham
Ruler: Harun as prince
Mint: Ifrqiyah
Date: 169 AH
Weight (g): 2.42
Diameter (mm): 23
Die Axis: 3:00
References: SICA 3, no. 436