Watch List notes:

ARAB-SASANIAN: Umayya b. Abd Allah, fl. 693-698, AR drachm (2.83g), BBA (the Court mint), AH77, A-29, with Pahlavi word in ObQ3 tentatively read as YANBWT or something similar, VF, RR. According to Hodge Malek, the standard weight for the AH77 issue of BBA in the name of Umayyad b. 'Abd Allah is in the range of 2.8-2.9g, thus matching what would become the reform dirham weight in AH79.

Estimate: 300-400 USD