Treaty of Versailles Centennial Collection 5 Coin Box Set w COA
Treaty of Versailles Centennial Collection 5 Coin Box Set w COA. On June 28, 1919, the Hall of Mirrors in the Palace of Versailles witnessed the signing of a treaty between the Allied and associated powers and Germany. This historic agreement, which took effect on January 10, 1920, involved the cession of certain German territories to neighboring countries and the placement of other German territories under international supervision.