Watch List notes:

TABERISTAN, Abbasid Governors. 'Umar b. al-'Ala. AD 771-780. AR Hemidrachm (1.96 gm; 24 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. Lustrous. Rare.