ABBASID CALIPHATE AL-Mahdi (778-779)

ISLAMIC, ‘Abbasid Caliphate. Al-Mahdi (AH 158-169 / AD 775-785) silver Dirham

citing al-Mahdi as ‘al-Khalifa’ and the vizier Yahya ibn Khalid Barmaki,

Madinat Jayy, AH 162 = AD 778/9.

27 mm,

3.00 g

SICA III, 729