Watch List notes:

SAFFARID: Ahmad b. Muhammad, 923-963, AR 1/6 dirham (damma) (0.55g), Sijistan, AH348, A-1412S, citing Ahmad and the Abbasid caliph al-Muti'; a remarkable type, stylistically similar to the Yemeni sudaysi of al-Muti' struck at Zabid (undated, type #B1064), but also related by weight to the dammas of Sind; unpublished and presumably unique, EF, RRR.

Estimate: 150-250 USD