ISLAMIC, 'Abbasid Caliphate. Al-Amin, AH 193-199 / AD 809-813. Dirham (Silver, 25 mm, 2.95 g, 9 h), citing Rabbi Allah, the caliph al-Amin and the vizier al-Abbas, Madinat al-Salam, AH 195 = AD 810/1. SICA III, 1720. Nicely toned. The flan slightly wavy, otherwise, extremely fine.