Germany Prussia 1/6 Thaler 1840 D Frederick William III(1797-1840). Averse: Head right. Averse Legend: FRIEDR. WILH. III KOENIG V. PREUSSEN. Reverse: Crowned arms within chain. Reverse Legend: VI. EINEN THALER LXXXIV. EINE F.M. Edge Description: GOTT M UNS. Silver. AKS 26; J. 58b; Olding 199; KM 411. NGC MS 64