China
People's Republic Yellow River Culture gold Proof 500 Yuan 1997, KM1083, Fr-181, Proof 67 Deep Cameo PCGS. Mintage: 128. Edge number not visible in holder. A gleaming example of this rare type with thick frost throughout the devices and endless reflectivity in the fields. An important type for the collector of modern Chinese rarities, with the present coin being the lone example to have been certified by PCGS at any grade.
Estimate: 40000-60000 USD