'Abbasid Caliphate. temp. Al-Mahdi, AH 158-169 / AD 775-785. Dinar (Gold, 19 mm, 4.10 g, 1 h), no mint, AH 167 = AD 783/4. 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). Margin: Muḥammad rasūl Allāh arsalahū bi-l-hudā wa-dīn al-ḥaqq li-yuẓhirahū ʿalā al-dīn kullihī (‘Muhammad is the Messenger of God, whom He sent with guidance and the religion of truth to make it prevail over all religion’ in Arabic). Pellet above, below Allāh. Rev. Central field, in three lines: Muḥammad / rasūl / Allāh (‘Muhammad is the Messenger of God’ in Arabic), pellet in center. Margin: bi-sm Allāh ḍuriba hādhā al-dīnār sanat sabʿ wa-sittīn wa-miʾa (‘In the name of God, this dinar was struck in the year one hundred and sixty-seven’ in Arabic). Album 214. Fresh and lustrous. Minor areas of weakness and light doubling, flan cut to standard, otherwise, extremely fine.