ISLAMIC, Persia (Pre-Seljuq). Buwayhids (Buyids). 'Imad al-Din Marzuban Abu Kalijar. AH 415-440 / AD 1024-1048. AR Dirham (23mm, 4.70 g, 3h). 'Uman mint. Dated AH 432 (AD 1040/1). Treadwell Um432G; Album 1584. VF, lightly toned, areas of weak strike. Rare.