1938-1947
1948-1950
1950-1954
1954
1954-1956
1956-1960
1960-1962
1962-1971
1971-1977
1977-1982
1982-1985
1985-1993
1998-2007
Also used on the Christmas 2012 issue and two issues in early 2013.
2007-2012
February-August 2012, January-March 2013
August-December 2012
2013-2015
2015-2016
2016-present
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