China
Yunnan. Republic copper 5 Cents Year 21 (1932) MS62 NGC, KM-Y490, CCC-582, Duan-2782, Hsu-345. A very rare type. This example has a decent strike, with medium copper-brown patina and some dark spotting on the reverse. Only two examples have been certified in MS62 by NGC and PCGS combined, with none certified finer.
Estimate: 6000-7000 USD