Watch List notes:

TABARISTAN. Umar b. al-Ala. AR Hemidrachm (1.94 gm; 25 mm). Pahlavi spelling of full name "Umar ibn Aa'la" on the obverse with full name in Arabic spelling on the outer circle of the obverse as well. Crowned Sasanian style bust right / Fire altar flanked by attendants; stars flanking flames. Choice FDC. Fully lustrous. Rare.