9788 | AB640

ItemNo: 9788

Acc_no: AB640

Ruler: temp. Harun al-Rashid (786-809 AD)

Dynasty: Abbasid Caliphate

Denomination: AR dirham

Ruler: al-Mamun as prince/bakh

Mint: Madinat Balkh

Date: 187 AH

Weight (g): 2.91

Diameter (mm): 25

Die Axis: 2:00

References: Lowick 1996, no. 2134