ISLAMIC, 'Abbasid Caliphate. temp. Al-Mansur, AH 136-158 / AD 754-775. Fals (Bronze, 17 mm, 2.14 g, 7 h), al-Jazira, undated. Within two concentric circles, ‘lā ilāha / illā Allāh / waḥdahū’ (‘There is no deity but Allah, the One’ in Arabic). Rev. Within a circle, ‘Muḥammad / rasūl / Allāh’ (‘Muhammad is the messenger of Allah’ in Arabic); in the margin, ‘bism Allāh ḍuriba hādhā al-fals bi al-Jazira’ (‘In the name of Allah. This fals was struck in al-Jazira’ in Arabic). Album -, cf. 304 (citing Governor al-ʿAbbas ibn Muhammad in the obverse margin). Apparently unpublished. Thick deposits, otherwise, about very fine.