PSA Promotional Buttons
These are some of the promotional buttons that PSA produced.
1967
1969
1970
1970
1970
1972
1972
1973
1973
1974
1974
1976
1976
1976
1977
1978
1978
1979
1980
1981
1982
1982
1982
1982
1982
1982
1983
1983
1983
1984
1984
1984
1985
1985
1985
1985
1985
1985
1986
1986
1986
1986
1987
1987
1987