Stack's Bowers & Ponterio
October 2020 Hong Kong Auction - Online 8-9 Oct 2020
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CHINA. Quintet of 5 Yuan (5 Pieces), 1994. Inventions & Discoveries Series. All NGC PROOF-69 Ultra Cameo Certified.
1) KM-627. Recording of Comets.
1) KM-627. Recording of Comets.
2) KM-628. Tuned Bells.
3) KM-629. Silken Fabric.
4) KM-630. Chain Water Pumps.
5) KM-631. Sailing Masts.
Estimate: $150.00- $250.00