ISLAMIC, 'Abbasid Caliphate. temp. Al-Ma'mun, AH 193-218 / AD 809-833. Dirham (Silver, 24 mm, 2.93 g, 9 h), citing the caliph al-Mamun as 'Abd-Allah' and 'Amir al-Mu'minin', Tahir ibn al-Husayn as 'Mawla' and al-Fadl, the vizier of the caliph al-Ma'mun, al-Muhammadiya, AH 196 = AH 811/2. SICA III, 1521. Struck from slightly worn dies and with minor marks, otherwise, good very fine.
From the Tabib Collection, formed over the past 40 years.