Watch List notes:

ARAB-SASANIAN: Mus'ab b. al-Zubayr, ca. 685-690, AR drachm (2.45g), DAShT (Dasht Maysan), AH67, A-17, with the name mus'ab repeated in Arabic in ObQ3, the earliest occasion of a governor's name in Arabic on an Islamic coin, clipped down to later standard, VF, RR.

Estimate: 450-550 GBP