China
People's Republic 5-piece "Coins of Invention and Discovery" silver 5 Yuan Set 1992-3 UNC, A commemorative set highlighting important Chinese discoveries and events. Included are the following five coins:
1) "First Seismograph" 1992, KM405.
2) "The Terracotta Army" 1993, KM492.
3) "First Compass" 1992, KM407.
4) "Bronze Age metal working" 1992, KM408.
5) "Mathematical Definition of Zero" 1993, KM488.
All coins are brilliant uncirculated and in original capsules and plastic. Comes with wooden case and COAs.
Sold as is, no returns.
HID02901242017
Estimate: 150-250 USD