ARAB-SASANIAN: 'Umar b. 'Ubayd Allah, 686-691, AE pashiz (1.49g), ST (Istakhr), ND, A-21E, Gyselen-104, standard Sasanian style (bust right / fire-altar & 2 attendants), with undeciphered Pahlavi word left on reverse, mint formula right, soe adhesions, VF, RR.
Estimate: 80-100 USD