China
People's Republic Romance of Three Kingdoms gold Proof 500 Yuan (5 ounce) 1997, Series 3, KM1090, Proof 68 Ultra Cameo NGC. Obv. Facing bust of Luo Guanzhong. Rev. Warrior standing on prow. A very rare issue, # 71 of a mintage of only 168 pieces. We have seen no examples of this issue offered for sale.
Estimate: 60000-90000 USD