KAKWAYHID: 'Ala al-Dawla Muhammad, 1008-1041, AR dirham (3.82g), NM, DM, A-1591, citing the Buwayhid overlord Abu'l-Hasan Samâ al-Dawla b. Shams al-Dawla in the obverse margin in place of the normal mint/date formula, couple spots of horn silver at the rim, crude VF, RRR.
Estimate: 100-150 USD