Germany PRUSSIA 1 Thaler 1818A Friedrich Wilhelm III(1797-1840). Averse: Uniformed bust left. Averse Legend: FRIEDR. WILHELM III KOENIG VON PREUSSEN. Reverse: Crowned eagle with flags and cannons. Reverse Legend: EIN THALER. Silver. Old patina. KM 396; Jaeger 37; Thun 246; AKS 13; Kahnt 365; Davenport 759