China
People's Republic silver Proof "Birth of Zhan Tianyou" 100 Yuan (12 oz) 1987 PR69 Ultra Cameo NGC, KM177. A truly massive and medallic issue, with only the lightest of contact marks preventing utter perfection, this stunning piece was struck to commemorate the 125th anniversary of Chinese railway engineer Zhan Tianyou's birth. With fully mirror-like surfaces, this offering is sure to attract a premium bid.
HID02901242017
Estimate: 500-800 USD