Two thirds of the plates were used up in 1963 issuing new plates to everybody (last time in California). It is estimated that the last (ZZZ999) plate was issued near the end of the 69 calendar year.
From there with a little math you can come up with a list.
If you want I can center you on a specific date or tell you an approximate date for a specific plate.
Calendar Year
1963 AAA RDA
1964 RDB SDO
1965 SDQ TEE
1966 TEG UFZ
1967 UGC WEC
1968 WEH YCB
1969 YCF ZZZ
Alan
