GREAT MONGOLS: Anonymous, ca. 1220s-1240s, AV dinar (5.81g), Badakhshan, AH62x, A-A1967, kalima obverse, caliph al-Nasir on reverse, mint name above the obverse, date is somewhat uncertain, but the word for "20" seems quite clear though oddly spelled with alif instead of ya, about 25% flat strike, VF, RR.
Estimate: 300-400 USD