ISLAMIC, 'Abbasid Caliphate. temp. Al-Ma'mun, AH 193-218 / AD 809-833. Dinar (Gold, 18 mm, 4.17 g, 9 h), citing al-Fadl, the vizier of the Caliph al-Ma'mun, as Dhu'l Riyasatayn (holder of the two ministries) and with his laqab 'Ayn, al-Iraq (possibly Wasit), AH 200 = AD 815/6. Bernardi 105. Rare. Struck from corroded dies and somewhat wavy, otherwise, about very fine.
From a European collection, formed before 2005.