Lot of (12) Commemorative Silver Half Dollars. Mint State (Uncertified). Housed in (3) black leather tab-type holders with sliding plastic overlays. Included are: 1937 Arkansas Centennial, PDS Set; 1938 Arkansas Centennial, PDS Set; 1892 Columbian Exposition; 1893 Columbian Exposition; 1925 Lexington-Concord Sesquicentennial; 1923-S Monroe Doctrine Centennial; 1926 Sesquicentennial of American Independence; and 1925 Stone Mountain Memorial. From the George J. Marx Collection, completed primarily in the 1930s.