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					Originally Posted by David W  Somewhere I have a couple of blank back 87 Topps cards that came from a pack.
 It could be something like that.
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 I have 1000's of Topps blank front/back and wrong backs from the 80's. They are not rare and it is not even close to a possible 1/1. The stars from that era do command a premium. Usually $5-$20 each compared to the basically worthless regular issue.