Great Britain
George III gold Sovereign 1820 AU58 NGC, Royal mint, KM674, S-3785C, Open 2 which is also very high compared to the other numbers in the date. Obv. Laureate bust of George III right, with date below. Rev. St. George slaying the dragon. Lustrous, with light rubbing on the high points and minor contact marks.
HID02901242017
Estimate: 1200-1500 USD