China
People's Republic silver 5-Piece "Inventions & Discovery" 5 Yuan Proof Set 1992,
1) Ship Building 5 Yuan - Gem Proof, KM404
2) Seismograph 5 Yuan - Gem Proof, KM405
3) Kites 5 Yuan - Gem Proof, KM406
4) Compass 5 Yuan - Gem Proof, KM407
5) Metal Working 5 Yuan - Gem Proof, KM408
The coins remain inside their mint-sealed soft plastic and the original box, including the ancient compass replica and COAs, is included.
HID02901242017
Estimate: 300-350 USD