GREAT MONGOLS: Anonymous, AR dirham (3.19g), NM, ND, A-1978K, on the obverse in Persian, be-qovvat-e aferidegar-e 'alam, "by the power of the Creator of the world ", and citing the caliph al Mustansir (AH623-640) on the reverse, choice VF to EF, R. Struck during the reign of the Great Mongol Ögedei or very shortly thereafter.
Estimate: 120-160 USD