MONTANA

1913-14:                           Grimm

1915-16:                           Western

1917-20:                           Borreson

1921:                              Greenduck

1922-25:                           Irwin-Hodson

1926:                              Automatic Vehicle

1927:                              Gopher

1928-43, 1945-46, 1948-49 Type 2:  Montana Prison

1944:                              American Decalcomania

1948-49 Type 1:                    Adams

1949 Type 3, 1950-present:         Montana Prison