East Prussia, Friedrich II der Grosse 1740-1786. 6 Groszy (6-Gröscher) 1756 E, Königsberg, Olding 213, Schr. 1090, Kluge 229.2, Silver 23 mm, weight 3,30 g., Condition NGC MS 64. Prussian issue from the period of the Seven Years' War imitating the 6 Groschen of August III Saxon, with a stylized portrait of Fryderyk. A perfectly preserved mint specimen, very rare type of coin - especially in this condition.