I have a shoebox full of game used cards that I pulled from packs most of them are early 2000's.
Most of the Upper Deck cards say that they came from an item used by the player in an official major league game.
Some of the game used cards have photo's on the card of the game used item.
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Some of them like this Clemens World Series base (looks more like it could be a piece of the pitching rubber to me) say what game or series the game used was from.
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This is one of my favorites a duel Yogi Berra and Cal Ripken Jr.
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