Germany PRUSSIA 1 Frederick D'or 1798A Friedrich Wilhelm III(1797-1840). Obverse: Armored bust left. Obverse Legend: FRIED. WILHELM III KOENIG VON PREUSSEN. Reverse: Eagle with trophies; 'A' divides date below. Gold 6.68g. KM-369. FR-2422. NGC MS 63 ONLY ONE COIN IN HIGHER GRADE