Watch List notes:

ISLAMIC, 'Abbasid Caliphate. temp. al-Mahdi. AH 158-169 / AD 775-785. AR Hemidrachm (24mm, 2.01 g, 6h). Issue of 'Umar ibn al-'Ala, governor in Tabaristan. Third Series. Tabaristan mint. Dated PYE 123 = AH 158 (AD 775). Stylized crowned Sassanian style bust right; 'mwr in Arabic to right; 'pd in Pahlavi to lower right in outer margin; nwk' in Pahlavi to lower left / Fire altar flanked by attendants; pellets flanking flames; date to left, mint to right; alternating triple pellets and star-in-crescents in outer margin. Malek 67.1; Album 56; ICV 104. Areas of toning. EF. Lustrous.