ISLAMIC, 'Abbasid Caliphate. temp. Al-Mansur, AH 136-158 / AD 754-775. Fals (Bronze, 22 mm, 1.92 g, 10 h), citing governor ‘Bakkār’ in Arabic, Arran, AH 153 = AD 770. ‘lā ilāha illā / Allāh waḥdahū / lā sharīka lahū’ (‘There is no deity but Allah, the One, there is no partner to Him’ in Arabic); in the margin, ‘bism Allāh ḍuriba hādhā al-fals bi Arrān sana thalāth wa khamsīn wa miʾa’ (‘In the name of Allah. This fals was struck in Arran in the year 153’ in Arabic); citing governor ‘Bakkār’ in Arabic above circular the legend in the outer margin. Rev. Citing the Caliph’s son al-Mahdi Muhammad within a circle, ‘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); in the margin, ‘Muḥammad rasūl Allāh arsalahū bi al-hudā wa dīn al-ḥaqq liyuẓhirahū ʿalā al-dīn kullih wa law kariha al-mushrikūn’ (‘Muhammad is the messenger of Allah. He sent him with guidance and the religion of truth, so that He may make it overcome all religions, even though the unbelievers may dislike it’ in Arabic). Album 314. Very rare. Rough and porous, otherwise, about very fine.