ISLAMIC, 'Abbasid Caliphate. Al-Ma'mun, AH 193-218 / AD 809-833. Dinar (Gold, 18 mm, 4.22 g, 1 h), Misr, AH 210 = 825/6. Citing the Egyptian governor ʿUbayd Allah, ‘lā ilāha illā / Allāh waḥdahū / lā sharīka lahū / ʿUbayd Allāh ibn al-Sārī’ (‘There is no deity but Allah, the One, there is no partner to Him. ʿUbayd Allah son of al-Sari’ in Arabic); in the margin, ‘Muḥammad rasūl Allāh arsalahū bi al-hudā wa dīn al-ḥaqq liyuẓhirahū ʿalā al-dīn kullih’ (‘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’ in Arabic). Rev. ‘li’l-khalīfa / Muḥammad / rasūl / Allāh / al-Maʾmūn’ (‘Muhammad is the messenger of Allah. For Caliph. al-Maʾmun’ in Arabic); in the margin, ‘bism Allāh ḍuriba hādhā al-dīnār bi Miṣr sana ʿashar wa miʾatayn’ (‘In the name of Allah. This dinar was struck in Misr in the year 210’ in Arabic). Album 222.9. Rare. Toned. Some scratches and a bit wavy, otherwise, very fine.