GREAT MONGOLS: Anonymous, ca. 1220s-1240s, AV dinar (4.13g), ND/DM, A-C1967, with unusual reverse legend al-imam a- / -l-a'zam amir / al-mu'minin, and with undeciphered mint name after baldat in the reverse margin, about 20% flat strike, very crude VF, RR.
Estimate: 400-500 USD