CHAGHATAYID KHANS: Buyan Quli Khan, 1348-1359, AR dinar (7.29g) (Bukhara), ND, A-2007, Zeno-205700 (same dies), very rare type, with the addition phrase al-mu'ayyad bi-ta'yid al-rahman atop the obverse field, uneven surfaces, Fine to VF, RR.
Estimate: 80-110 USD