Watch List notes:

ISLAMIC, Persia (Pre-Seljuq). Dulafids. 'Umar ibn 'Abd al-'Aziz, AH 280-284 / AD 893-897. Dirham (Silver, 24 mm, 3.20 g, 3 h), citing Umar ibn Abd al-Aziz and the Abbasid overlord al-Mu'tadid billah, Isbahan, AH 282 = AD 895/6. Album 1400. Rare. Areas of weakness, otherwise, very fine.