Watch List notes:

ISLAMIC, Persia (Pre-Seljuq). Bavandids of Tabaristan. Shahriyar ibn Rustam. Circa AH 377-393 / AD 987-1003. BI Dirham (23mm, 3.81 g, 6h). Firrim mint. Date not visible. Album 1525; ICV 1684. VF, toned, areas of flat strike, small hairline flan crack, lost lamination on reverse. Extremely rare.