Watch List notes:

ARAB-SASANIAN, Abdullah ibn Zubayr. AR Dirhem (4.14 gm; 31 mm). (Rival and rebel khalif against the Umayyads), obverse, Sasanian style bust turning right, name APDWLA AMIR-Y WRWShNYKAN in two lines in front of face, reverse, fire altar with attendants, year 60 to the left and mint, Letter "S" strike over original mint DA for Darabgird. It is possible that letter "S" is for a location that was dependency of Darabgird. Choice Superb EF. Lightly toned.
Estimate: 150 USD