'Abbasids
al-Ma'mûn, 195-218 H./811-833 AD Dinar 196 H, no mint (Fustât), with li-l-khalîfa / al-imâm above and below the rev. field Bernardi 81; Lowick/Savage 91 with erroneous description al-Amîn instead of al-Imâm; Nützel 1246; Qatar I 1122; SNA Tübingen III 219. 4.16 g.; Very fine