'Abbasid Caliphate. temp. Al-Mahdi, AH 158-169 / AD 775-785. Fals (Bronze, 22 mm, 4.32 g, 3 h), citing the governor Yazīd ibn Usayd, governor of Arminiya (Armenia), Dabil (Dvin, Armenia), AH 159 = AD 775/6. Central field, in three lines: lā ilāha illā / Allāh waḥdahū / lā sharīka lahū (‘There is no deity but God alone; He has no associate’ in Arabic). Star below. Margin: bi-sm Allāh ḍuriba hādhā al-fals bi-Dabīl sanat tisʿ wa-khamsīn wa-miʾa (‘In the name of God, this fals was struck at Dabil in the year one hundred and fifty-nine’ in Arabic). Rev. Central field, in three lines: Muḥammad / rasūl / Allāh (‘Muhammad is the Messenger of God’ in Arabic). Tamgha below. Margin: mimmā amara bihī al-amīr Yazīd ibn Usayd aʿazza Allāh naṣrahu (‘From what was ordered by the amir Yazīd ibn Usayd, may God strengthen his victory’ in Arabic). Album A316. Zeno 8918. Rare, with legible mint and date. Deposits and scratches, otherwise, good fine.