ItemNo: 1759
Acc_no: AR0849
Ruler: temp. al-Mamun (813-833 AD)
Dynasty: Abbasid Caliphate
Denomination: AR dirham
Ruler: Dhu'l-riyasatayn
Mint: al-Muhammadiyah
Date: 201 AH
Weight (g): 2.93
Diameter (mm): 26
Die Axis: 3:00
References: SICA 3, no. 1532