Germany Prussia 1 Thaler 1861 A Coronation of Wilhelm and Augusta. Wilhelm I(1861-1888). Averse: Crowned conjoined busts right. Averse Legend: WILHELM KOENIG AUGUSTA KOENIGIN V. PREUSSEN. Reverse: Arms at center of crowned monograms. Reverse Legend: SUUM CUIQUE KROENUNGS THALER 1861. Silver. KM 488