ISLAMIC, 'Abbasid Caliphate. temp. al-Rashid. AH 170-193 / AD 786-809. AR Dirham (29mm, 2.94 g, 9h). Citing al-Amin as wali 'ahd al-muslimin, and Asad bin Yazid (al-Shaybani), governor of Irminiya. Irminiya mint. Dated AH 186 (AD 801/2). Album 219.9a; Wilkes –. VF, lightly toned. Rare.