Early Medieval  'Abbasid Caliphate, time of  Haroun al-Rashid (AH 170-193 / AD 786-809) AR Dirham. Ma'dan al-Shash mint, AH 190 = AD 805. Obv: Kalima in three lines across field; mint and date formula around. Rev: Citing the future caliph as al-Ma'mun 'Abd Allah as "ibn amir al-mu'minin and wali wali 'ahd al-muslimin" (successor of the successor of the covenant of the Muslims' in Kufic) in four lines across field, Ali above and al-Nadr below; Quran IX, 33 around. Album 219.11.

Diameter: 24 mm 

Weight: 2.72 grams