I tried to show wear in pictures.
1946 Northwestern Chicago Saint Paul Minneapolis Omaha Railway Company Railroad
Chicago Saint Paul Minneapolis Omaha Railway Annual Report 1927 Train Ephemera
Chicago Saint Paul Minneapolis Omaha Railway Annual Report 1922 Train Ephemera
Chicago Saint Paul Minneapolis Omaha Railway Annual Report 1925 Train Ephemera
Chicago Saint Paul Minneapolis Omaha Railway Annual Report 1924 Train Ephemera
Chicago Saint Paul Minneapolis Omaha Railway Annual Report 1928 Train Ephemera
