Stack's Bowers & Ponterio
May 2022 Hong Kong Auction 10-16 May 2022
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(t) CHINA. 5 Yuan Proof Set (5 Pieces), 1992. Inventions & Discoveries Series. Average Grade: CHOICE PROOF.
1) KM-404. "Ancient Shipbuilding".
1) KM-404. "Ancient Shipbuilding".
2) KM-405. "First Seismograph".
3) KM-406. "Ancient Kite Flying".
4) KM-407. "First Compass".
5) KM-408. "Bronze Age metal working".
Sold with original display case, working replica of a compass, and COA#499 (for each coin).
Estimate: $200 - $300