Latvia Livonia Courland 3 Groszy 1598 Mitau. Wilhelm Kettler (1587-1616). Obverse: Bust facing right surrounded by legend. Lettering: MONE · ARG · CVR ·. Reverse: Eagle beside horseman above legend and under value. Lettering: III GROS · AR · TR DVCVM · CV ET · SE · 98. Edge Smooth. Silver. KuW.98.1 (R2) RARE NGC MS 65 ONLY ONE COIN IN HIGHER GRADE