Watch List notes:

TABARISTAN, Abbasid Governors. 'Umar b. al-'Ala. AD 771-780. AR hemidrachm (1.94 gm; 23 mm). Tabaristan mint. Dated PYE 124 (AH 159, AD 778/9). Crowned Sasanian style bust right / Fire altar flanked by attendants; stars flanking flames. Malek 73; Album 55. Choice UNC. Lustrous. Scarce.