These show obvious wear. There are 2 duplicates also included. 
July - Dec 1964
April - May 1964
Oct / Nov 1963
April / May / July - Dec 1965
Feb - Dec 1966
Jan - Dec 1967
Jan - Dec 1968 (July missing cover)
Jan - Dec 1969
Feb - Dec 1970
Jan-Aug / Oct- Dec 1971
Jan - Dec 1972
Jan - Jun 1973

In order to help keep shipping costs down this set will ship in multiple boxes.