Cop. 3109 R8, Gum. 741, Iger M.85.1 R8, Tyszkiewicz 180 mk? (the highest valued trojak of this ruler), slightly rubbed relief, background luster falling into mirror, beautiful patina from old collection. A very rare issue from the Malbork mint, a numismat not available on the collector's market. Absent from the collections of Count E. Hutten-Czapski, Count Z. Chelminski, O. Kubicki, M. Frankie...