ItemNo: 42
Acc_no: AR0481
Ruler: al-Hadi (785-786 AD)
Dynasty: Abbasid Caliphate
Denomination: AR dirham
Ruler: Harun as prince
Mint: Ifriqiyah
Date: 170 AH
Weight (g): 2.13
Diameter (mm): 25
Die Axis: 9:00
References: Lowick, no. 327