BAVANDID OF TABARISTAN: Rustam b. Sharwin, 964-980, AR dirham (6.66g), Firrim, AH365, A-1524, with the name rustam in small letters above the obverse field, with the Shi'ite kalima, lovely struck & remarkably heavy, VF, R. One of the earliest coins with the phrase 'Ali Wali Allah.
Estimate: 200-250 USD