Watch List notes:

ISLAMIC, 'Abbasid Caliphate. temp. al-Mahdi. AH 158-169 / AD 775-785. AR Hemidrachm (23.5mm, 1.96 g, 9h). Issue of Umar ibn al-'Ala, governor (AH 154-163 / AD 771-780). Fourth Series. Tabaristan mint. Dated PYE 125 = AH 160 (AD 776/7). Stylized crowned Sassanian style bust right; 'wml in Pahlavi to right; 'pd and 'lwn in Pahlavi in outer margin / Fire altar flanked by attendants; pellets flanking flames; alternating triple pellets and star-in-crescents in outer margin. Malek 74.1-2; Album 57; ICV 104. Light iridescent toning. EF.