Tabaristan. Abbasid Governors. Anonymous. temp. Al-Mahdi (AH 158-169 / AD 775-785). AR Hemidrachm, Tabaristan mint. D/ Crowned Sasanian style bust right; Arabic afzut (= strong) before; three stars-in-crescents and Pahlavi legends around. R/ Fire altar flanked by attendants; pellets flanking flames; alternating triple pellets and star-in-crescents in outer margin. Album 73. 2.12 g. 24.00 mm.