Even celebrities have their own trading cards
There have been plenty of unusual sports cards produced in the past decade with celebrities, politicians, historical figures and even inanimate objects making their ways into packs of baseball cards and football cards.
Examples? When Billy Crystal played a spring training game with the New York Yankees a couple years ago, he later appeared on baseball cards made by TRISTAR and Topps. (Crystal's autographed card in 2009 Topps is a tough find -- and it sells for $175.)
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