Using again in 2027, as instructed
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Cover of a MAD Magazine calendar from 1993 which has a progression of monkeys to neanderthals to Alfred E Neuman. Also includes the instructions that it's recycleable or you can save it until 1999, 2010, 2021, 2027, 2038, 2049, 2055, 2066 or 2077 when it can be used again.
Jim had this from 1993 and found it in his stuff. Now I'll be using it next year.