Stack's Bowers & Ponterio
September 2021 Hong Kong Auction 2-7 Oct 2021
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CHINA. Quintet of 5 Yuan (5 Pieces), 1995. Inventions & Discoveries Series. All NGC PROOF-69 Ultra Cameo Certified.
1) Cannon & Gunpowder. KM-735.
1) Cannon & Gunpowder. KM-735.
2) Porcelain Crafting. KM-736.
3) Block Printing. KM-737.
4) Acupuncture. KM-738.
5) Chess. KM-739.
Estimate: $300 - $400