People's Republic 5-Piece Uncertified silver "Inventions and Discoveries" 5 Yuan Proof Set 1992 UNC, 1) "Seismograph" 5 Yuan 2) "Compass" 5 Yuan 3) "Bronze Age Urn" 5 Yuan 4) "Ancient Kite Flying" 5 Yuan 5) "Ancient Ship Building" 5 Yuan Accompanied by the original box of issue and miniature compass replica. HID09801242017 © 2024 Heritage Auctions | All Rights Reserved

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