ISLAMIC, 'Abbasid Caliphate. temp. Al-Rashid, AH 170-193 / AD 786-809. Hemidrachm (Silver, 22 mm, 1.86 g, 12 h), citing the governor of Tabaristan, 'Abd Allah (AH 174-175 = AD 790-791), Tabaristan, PYE 140 = AH 175 = AD 791. Crowned and draped Sasanian-style bust to right; behind head, AFZUT GDH ('may his kingship increase' in Pahlawi); before head, 'Abd Allah' in Kufic; in outer margin, APD / NWKW ('excellent' and 'good' in Pahlawi). Rev. Sasanian fire altar set on three steps, flanked by two attendants standing facing; to left, date; to right, mint TPURSTAN ('Tabaristan' in Pahlawi). Album 70. SICA I, 465. Walker, Arab-Sassanian, p. 150, 300. Lightly toned. About extremely fine.