Heritage World Coin Auctions
NYINC Signature Sale 3030 5-6 January 2014
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China
People's Republic Inventions & Discoveries Five-piece gold Proof 100 Yuan Set 1992, KM415, Ancient Shipbuilding, Proof 69 Ultra Cameo NGC; KM416, First Seismograph, Proof 69 Ultra Cameo NGC; KM417, First Kite, Proof 68 Ultra Cameo NGC; KM418, First Compass, Proof 69 Ultra Cameo NGC; and KM419 Bronze Age Metal Working (Bronze Age Urn), Proof 69 Ultra Cameo NGC. Included is the original box and wooden case. COAs are included for four coins. Missing is the COA for KM419 Bronze Age Metal Working. A superb quality set. 1,000 pieces were produced of each of the five coins, but the number of complete sets available is far less, as many have been broken from sets, and a great number destroyed.
Estimate: 35000-40000 USD
People's Republic Inventions & Discoveries Five-piece gold Proof 100 Yuan Set 1992, KM415, Ancient Shipbuilding, Proof 69 Ultra Cameo NGC; KM416, First Seismograph, Proof 69 Ultra Cameo NGC; KM417, First Kite, Proof 68 Ultra Cameo NGC; KM418, First Compass, Proof 69 Ultra Cameo NGC; and KM419 Bronze Age Metal Working (Bronze Age Urn), Proof 69 Ultra Cameo NGC. Included is the original box and wooden case. COAs are included for four coins. Missing is the COA for KM419 Bronze Age Metal Working. A superb quality set. 1,000 pieces were produced of each of the five coins, but the number of complete sets available is far less, as many have been broken from sets, and a great number destroyed.
Estimate: 35000-40000 USD