ABBASID, al-Muhtadi (billah), 255-256 AH. (AD. 869-870). AR Dirham (2.94 gm; 26 mm). (Abu Ishaq Muhammad, b. al-Wathiq), with the name of his successor Abu al-Abbas ibn Amir al-Mo'menin, mint: Sar-man-Ray (Samara), date:incorrectly noted. Album 238 and not in Tabatabai. Extremely rare as he ruled only for one year. Per Album, all of his drachms are poorly struck from worn dies. Choice EF. Toned.