Heritage World Coin Auctions
Hong Kong Signature Sale 3058 7-8 Dec 2017
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China
People's Republic silver "Inventions and Discoveries" Proof 50 Yuan 1993 PR68 Ultra Cameo NGC, KM507, Cheng page 137, #1. Mintage: 1,000. Chinese Gods/Yin Yang. Appealing silvery-white devices with pleasing cameo appearance.
HID02901242017
Estimate: 2000-2400 USD
People's Republic silver "Inventions and Discoveries" Proof 50 Yuan 1993 PR68 Ultra Cameo NGC, KM507, Cheng page 137, #1. Mintage: 1,000. Chinese Gods/Yin Yang. Appealing silvery-white devices with pleasing cameo appearance.
HID02901242017
Estimate: 2000-2400 USD