China
People's Republic Romance of Three Kingdoms gold Proof 500 Yuan (5 ounce) 1995, Series 1, KM857, Proof 66 Ultra Cameo NGC. Obv. Facing bust of Luo Guanzhong. Rev. Three heroes of Shu Han. Very rare issue, # 73 of a small mintage of only 99 pieces. We can find no record of an example of this rare issue selling at auction.
Estimate: 60000-90000 USD