GREAT MONGOLS: Anonymous, AE dirham (6.19g), Bukhara, AH(6)63, A-A1979.2, Dav-6, Arabic sikka / bukhara in obverse center, with the Arabic word al-mulk three times around, the Chinese character ke ("tax") in the reverse center, clear mint & date, with some central weakness, About VF, RR.
Estimate: 400-500 USD