ISLAMIC, 'Abbasid Caliphate. temp. Al-Ma'mun. Dirham (Silver, 23 mm, 2.77 g, 1 h), AH 193-218 / AD 809-833, citing al-Fadl, the vizier of the caliph al-Ma'mun, Herat, AH 195 = AD 810/11. SICA III, 2065. Rare. Some deposits and the flan slightly wavy, otherwise, very fine.
From the Tabib Collection, formed over the past 40 years.