ISLAMIC, 'Abbasid Caliphate. temp. Al-Mansur, AH 136-158 / AD 754-775. Fals (Bronze, 20 mm, 2.41 g), Herat, AH 146 = 763/4. Within a dotted circle, ‘lā ilāha i/llā Allāh’ (‘There is no deity but Allah’ in Arabic); in the margin, ‘bism Allāh ḍuriba hādhā al-fals bi Harāt sana sitt wa arbaʿīn wa miʾa’ (‘In the name of Allah. This fals was struck in Herat in the year 146’ in Arabic). Rev. Within a dotted circle, ‘Muḥammad / rasūl / Allāh’ (‘Muhammad is the messenger of Allah’ in Arabic); in the margin, citing the Caliph’s son and heir al-Mahdi Muhammad, ‘mimmā amara bihī al-Mahdī Muḥammad ibn amīr al-muʾminīn’ (‘From that ordered by al-Mahdi Muhammad, son of the Commander of the Believers’ in Arabic). Album 323. Rare. Areas of weakness and with some deposits, otherwise, fine.