ISLAMIC, 'Abbasid Caliphate. Al-Musta'in, AH 248-252 / AD 862-866. Dinar (Gold, 22 mm, 4.07 g, 7 h), citing the caliph al-Musta'in billah and the heir apparent al-Abbas as 'ibn Amir al-Mu'minin' ('son of the Commander of the Faithful' in Kufic), Misr, AH 249 = AD 863/4. Bernardi 161De. Slightly clipped and with some scratches, otherwise, about very fine.
From a European collection, formed before 2005.