Here's a Mad Magazine lot that represents the complete year of 1971 -- with great covers including the famous King Kong cover and the Hypnotic  Cover!  Although I'm not a professional grader, I'd grade them as follows.  PLEASE SEE THE PICTURES FOR MORE DETAILS.

92 - Fine Minus

93 - Fine Minus

94 - Fine Minus

95 - Very Good/Fine 

96 - Fine 

97 - Very Good Plus

98 - Fine

99 - Fine