KM415, Ancient Shipbuilding, Proof 69Ultra Cameo NGC; KM416, First Seismograph, Proof 69 Ultra CameoNGC; KM417, First Kite, Proof 68 Ultra Cameo NGC; KM418, FirstCompass, Proof 69 Ultra Cameo NGC; and KM419 Bronze Age MetalWorking (Bronze Age Urn), Proof 69 Ultra Cameo NGC. Included is theoriginal box and wooden case. COAs are included for four coins.Missing is the COA for KM419 Bronze Age Metal Working. A superbquality set. 1,000 pieces were produced of each of the five coins,but the number of complete sets available is far less, as many havebeen broken from sets, and a great number destroyed.
