Watch List notes:

Tabaristan, Abbasid Governors. 'Umar b. al-'Ala. 771-780. AR hemidrachm (24.2 mm, 1.98 g, 9 h). Crowned Sasanian-style bust right / Fire altar flanked by attendants; star and crescent flanking flames. Malek 80; Album 56. EF.