Watch List notes:

ISLAMIC, 'Abbasid Caliphate. temp. Al-Mahdi, AH 158-169 / AD 775-785. Fals (Bronze, 21 mm, 2.70 g, 8 h), citing the governor Yazid ibn Usayd, Bardha'a in Armenia, AH 163 = AD 779/80. Vardanyan 2011, 249. Numerous scratches, otherwise, very fine.