Watch List notes:

TABERISTAN, Abbasid Governors, 'Umar b. al-'Ala, AD 771-780. AR hemidrachm (1.98 gm; 22 mm). Tabaristan mint. Dated PYE 125 (AH 160, AD 776/8). Crowned Sasanian style bust right; 'umar ibn al-'ala in Arabic in outer margin / Fire altar flanked by attendants; star and crescent flanking flames; alternating triple pellets and star-in-crescents in outer margin. Malek 77.1-5; Album 57. Choice FDC. Rare.