China
People's Republic gold "Umbrella" Proof 50 Yuan 1993 PR68 Ultra Cameo NGC, KM504. Inventions & Discoveries - Series II. Rich highpoint frost, intense reflectivity elsewhere and a few starburst flecks in the fields that are attributable to metal flow contribute to the in-hand appearance.
HID02901242017
Estimate: 1500-2000 USD