1924
Repaint

1949 - Passenger
Wisconsin

1957
America's Dairy Land

1961

1965-1967
Passenger

1973-1979
Passenger
"L" in serial = June
"America's Dairyland"

1980-1985
Passenger

1987-1994
Passenger
With vertical seperator

1989
State Patrol

1995-1999
Passenger
Horizontal seperator

1990

1997-1998
150th Anniversary of Statehood

2001

1980-1986
Antique