1992年古代发明系列100元航海造船银币 NGC PR66。Peoples Republic of China. Inventions & Discoveries Ship Building silver 200 Yuan (1 Kilo) 1992 PR66 Ultra Cameo NGC, KM420. Obv. Workers building ships, with large sailing ship, and value below. Rev. Great Wall, with date below. The first we offer of this series has a basically flawless obverse, with minor cloudy spots on the reverse. The strike is bold and the cameo contrast stunning. A tiny mintage of 250, as are all of the Kilo silver pieces of this series. We can reference no sale of this type from the set. Housed in an NGC Jumbo holder. The original box and wooden case is included, with no COA.