ISLAMIC, 'Abbasid Caliphate. temp. Al-Amin, AH 193-199 / AD 809-813. Dirham (Silver, 24 mm, 2.81 g, 3 h), citing al-Ma'mun as heir, Balkh, AH 193 = AD 805/6. SICA III, 702. Rare. Minor scratches on the obverse, otherwise, good very fine.
From the Tabib Collection, formed over the past 40 years.