Islamic. Pre-reform issues, Tabaristan ('Abbasid governors). Temp. Al-Rashid, AH 170-193 / AD 786-809. AR Hemidrachm (25mm, 1.78 g). Tabaristan mint. Dated PYE 136 = AH 171 (AD 787/8). Crowned Sasanian style bust right; Arabic afzut (= strong) before. R/ Fire altar flanked by attendants; pellets flanking flames. Walker, Arab-Sassanian, 312, p. 157.