BUWAYHID: Baha' al-Dawla, 989-1012, AV dinar (3.36g), 'Uman, AH395, A-1573, Treadwell-Um395G (same dies), some weakness around the mint name, but confirmed by die-link to the specimen illustrated by Treadwell, who recorded only 1 example of this date, VF, RR.
Estimate: 300-350 USD