★ Al-Hadi and his younger brother and future successor Harun al-Rashid ★

ISLAMIC, 'Abbasid Caliphate. temp. Al-Hadi, AH 169-170 / AD 785-786. Dirham (Silver, 24 mm, 2.74 g, 3 h), citing Ibrahim and Jarir and the future caliph Harun al-Rashid as ibn Amir al-Mu'minin ('son of the Commander of the Faithful' in Kufic), al-Haruniya, AH 170 = AD 786/7. SICA III, 2046. Very rare. Good very fine.

From the Tabib Collection, formed over the past 40 years.

This interesting issue from the short reign of Al-Hadi mentions his younger brother and future successor Harun al-Rashid.