BUWAYHID: Mu 'izz al-Dawla Ahmad, 939-967, AR dirham (2.84g), Junday Sabur min al-Ahwaz, AH350, A-1545, Treadwell-Js350, also citing 'Izz al-Dawla, Rukn al-Dawla, and the caliph al-Muti ', extremely rare mint for the Buwayhids, known only for the year AH350 (2 specimens cited by Treadwell, none on CoinArchives), VF, RRR.
Estimate: 180-240 USD