China
People's Republic silver Proof "Year of the Horse" 50 Yuan (5 oz) 1990 Gem Proof, KM284, Cheng page 83, # 5. Lunar Year of the Horse. In the original case, and mint-sealed soft plastic, with COA #1818. No flaws are noticeable. Mintage of 2,000 pieces.
Estimate: 1500-1800 USD