ABBASID: Ibrahim, 817-819, AR dirham (2.89g), Madinat al-Salam, AH202, A-E225, a h below the reverse field represents the first and last letters of the name Ibrahim, VF. Ibrahim b. al-Mahdi rebelled against al-Ma'mun as a rival caliph at Baghdad Muharram AH202-Dhu'l-Hijja 203.
Estimate: 150-200 USD