GREAT MONGOLS: Anonymous, AR dirham (2.91g), 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 posthumously citing the caliph al-Mustansir (AH623-640) on the reverse, choice EF.
Estimate: 100-150 USD