There are a total of 41 box sets. Some have certificates of authenticity. Some have toning (just a few). And there are some duplicates of some sets.
1968
1969
1970
1971
1972
1983 …..Blue boxes
1973
1974
1975
1976
1977
1977
1978
1979
1980
1981
1982….Black Boxes
1984
1985
1986
1987
1988
1989
1990
1990
1991
1992
1992
1993
1993….Purple Boxes
1994
1994
1995
1996
1997
1998
2003 State Quarter Proof Set
2009
2010
2011
2012 State Special Set