Watch List notes:

ISLAMIC, Umayyad Caliphate. 'Umar ibn 'Ubaidallah. Zibayrid governor, AH 67-72 / AD 686-691. Æ Pashiz (18mm, 0.84 g, 10h). Arab-Sasanian type. ST (Istakhr) mint. Dated AH 70 in Pahlavi (AD 689/90). Crowned Sasanian-style bust right; GDH monogram and 'pzwt in Pahlavi to left, 'wml in Pahlavi to right; g(or l)wšn or gwy'n in Pahlavi in outer margin / Fire altar with ribbons and attendants; pellets flanking flames; AH date to left, mint to right. SICA I –; Geyselen Type 104; Walker, Arab-Sasanian –; Album 21E. VF, brown surfaces. Extremely rare.