Watch List notes:

ARAB-SASANIAN: Mus'ab b. al-Zubayr, ca. 685-690, AR drachm (4.15g), KLMAN-NAL (Narmashir), AH70, A-17, with the Pahlavi GDH in ObQ3, with one pellet before and one after, choice EF, R. Mus'ab was the brother of the rival caliph 'Abd Allah b. Zubayr, and faught on his side.

Estimate: 400-500 USD