This listing features an authentic World War I era US Army Infantry Colonel's Insignia Pin. In the US Army during WWI, a colonel's rank was represented by a silver eagle insignia, a stylized representation of the eagle on the Great Seal of the United States. This specific piece is in excellent condition for an artifact dating from the 1914-1918 conflict. Its superb preservation makes it a highly desirable and valuable addition for serious collectors of vintage militaria and US Army history.