mint: al-Qayrawan (Qayrawan, Tunisia)
dated 298 AH (910–11 AD)
4.20g; 20mm
Obverse field: la ilaha illa Allah wahdahu la sharika lahu, with ‘Ubayd Allah above, and amir al-mu’minin below.
Reverse field: Muhammad rasul Allah, with al-Imam above and al-Mahdi bi’l-lah below; margin: bism Allah, followed by denomination, mint and date.