BUWAYHID: Mu'izz al-Dawla Ahmad, 939-967, AV dinar (4.56g), Madinat al-Salam, AH334, A-1542.1, Treadwell-Ms334Ga, extremely rare type, citing the Abbasid caliph al-Mustakfi as Imam al-Haqq (and his son Abu'l-Hasan Muhammad) before he was ousted by the Buwayhids and replaced by al-Muti' later the same year; also citing the Buwayhid chief ruler 'Imad al-Dawla; superb strike, choice About Unc, RRR. Treadwell cites only 2 examples and none are cited on CoinArchives.
Estimate: 1,400-1,800 USD