ItemNo: 1688
Acc_no: AR0628
Ruler: temp. Harun al-Rashid (786-809 AD)
Dynasty: Abbasid Caliphate
Denomination: AR dirham
Ruler: Muhammad (al-Amin)/Sallam/Surad
Mint: al-Muhammadiyah (II)
Date: 174 AH
Weight (g): 2.73
Diameter (mm): 27
Die Axis: 2:30
References: SICA 3, no. 1388