Watch List notes:

Tabaristan, Abbasid Governors. 'Umar b. al-'Ala. 771-780. AR hemidrachm (24 mm, 2.12 g, 7 h). PYE 128/163H. Crowned Sasanian style bust right / Fire altar flanked by attendants; stars flanking flames. Malek 79; Album 56. Choice extremely fine.