ISLAMIC, Persia (Pre-Seljuq). Buwayhids (Buyids). Rukn al-Dawla Abu 'Ali al-Hasan, AH 338-366 / AD 949-977. Dirham (Silver, 25 mm, 3.58 g, 3 h), citing Adud al-Dawla Abu Shuja's father and overlord Rukn al-Dawla, Kard Fana Khusra, AH 358 = AD 968/9. Album 1550.1. Nicely toned. Very fine.