Buwayhids (Buyids). 'Imad al-Din Marzuban Abu Kalijar. AH 415-440 / AD 1024-1048. AR Donative Half-Dirham (15.8mm, 1.51 g, 1h). Shiraz mint. Dated AH 418. Reverse margin: Al-Qadir billah Shahanshah Abu Kalijar bin 'Imad al-Din. Treadwell -. Good VF. Of the highest rarity, apparently unpublished.