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