ARAB-SASANIAN. Tabaristan, Æ Unit (1.09 gm; 15 mm). obverse, Sasanian style bust turning right,APZUTI in front of face and GDH behind the head, reverse, two line legend, top year "senvad" 93 and below "TPWLST" (Tabaristan), Gyselen Type 47B. Red patina.