China
People's Republic gold "Ancient Ship Building" Proof 100 Yuan (1 oz) 1992 PR69 Ultra Cameo NGC, KM415. Inventions & Discoveries - Series I. Mintage: 1,000. A scarce issue, preserved in near-perfect condition, that pays remembrance to the pioneering Chinese method of shipbuilding.
HID02901242017
Estimate: 2000-3000 USD