China
People's Republic bi-metallic gold & silver Proof Panda "Hong Kong Expo" Medal 1991 PR69 Ultra Cameo NGC, KMX-MB67, PAN-162a. Struck in a reported mintage of only 2,000 pieces and containing 1/4 ounce gold and 1/8 ounce silver.
HID02901242017
Estimate: 800-1000 USD