GREAT MONGOLS: Töregene, 1241-1246, AR dirham (2.31g), NM, ND, A-3750A, horseman right, turned back and shooting arrow, Arabic legend above (possibly different than ulugh mughul ulush bik), with dog instead of hare beneath the horse // name and titles of the caliph al-Mustansir (AH623-640) instead of the kalima filling the reverse field; published only on Zeno (this piece) and probably still unique, VF, RRRR.
Estimate: 700-900 USD