CHAGHATAYID KHANS: Buyan Quli Khan, 1348-1359, AE fals (2.52g), Bukhara, AH759, A-2010A, mint formula in spiral format, with epithet fakhira, date in numerals // kalima in spiraled Kufic format, Fine, RRR, ex Hans Mondorf Collection. Cf. Zeno-21007, the only posted example, but in ghastly preservation.
Estimate: 100-150 USD