ItemNo: 35
Acc_no: AR0377
Ruler: al-Mahdi (775-785 AD)
Dynasty: Abbasid Caliphate
Denomination: AR dirham
Ruler: Harun as prince
Mint: Ifriqiyah
Date: 166 AH
Weight (g): 2.73
Diameter (mm): 24
Die Axis: 2:30
References: Lowick, no. 292, 294