GREAT MONGOLS: Anonymous, AE dirham (7.54g), Bukhara, AH660, A-A1979.2, cf. Zeno-123039, Arabic sikka / bukhara in obverse center, the Chinese name of the city, bu-hua, in reverse center, with the mint epithet baldat fakhira plus the date in the margin on both side, clear date, average strike with a few tiny spots of corrosion, Fine to VF, RR. This type, with the Chinese mint name instead of the Chinese character for "tax" is much rarer than the "tax" variety.
Estimate: 200-260 USD