GREAT MONGOLS: Anonymous, AE dirham (6.80g), Bukhara, AH(6)63, A-A1979, Davidovich-6, cf. Zeno-123040, Arabic sikka / bukhara in obverse center, with the Arabic word al-mulk three times around, the Chinese character ke ("tax ") in the reverse center, with a square hole cut in the center to resemble a Chinese coin! Very Good to Fine, R.
Estimate: 90-120 USD