ARAB SASANIAN: 'Umar Ibn 'Ubayd Allah Ibn Mismar (686-691), silver dirham (4.10g), ST (Istakhr) mint, AH 70. Pahlavi word GWDAN in first marginal quarter. A-21. Extremely fine. Very rare.
A very rare piece in superior condition to the two other pieces found in auction records, the better condition of which sold in Stephen Album's auction 14 for $212.
Estimate: 100-150