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Don Mattingly New York Yankees Autographed 1984 Fleer Series 1 #131 Beckett Fanatics Witnessed Authenticated Rookie Card | New York Yankees Auctions
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Don Mattingly: Top 10 Most Expensive Baseball Cards Sold on Ebay (November - January 2019) - YouTube
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Don Mattingly New York Yankees Autographed 1984 Donruss #248 Beckett Fanatics Witnessed Authenticated Rookie Card | New York Yankees Auctions
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