Issue #1 Jul 02, 1963 Issue #2 Sep 02, 1964 Issue #3 Jul 01, 1965 Issue #4 Aug 02, 1966 Issue #5 Aug 01, 1967 Issue #6 Aug 13, 1968 Issue #7 Aug 12, 1969 Issue #8 Jul 07, 1970 Issue #9 Jul 20, 1971 Issue #10 Jun 12, 1973 Issue #11 Mar 09, 1976 Issue #12 Oct 25, 1977 Issue #13 Jul 04, 1978 Issue #14 Oct 16, 1979 Issue #15 Jul 01, 1980 Issue #16 Jun 23, 1981 Issue #17 Aug 31, 1983 Issue #18 Oct 31, 1984 Issue #19 Aug 06, 1985 Issue #20 Aug 31, 1987