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Have some old baseball cards? Here's what to know before you try to sell
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N.J. man's attic yields treasure trove of signed vintage baseball cards potentially worth millions
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Vintage Sports Card & Memorabilia Auction - Kyle Kelso Auctioneer
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New York Mets on Twitter: Want to watch a game from the owner's suite or get a tee-time with Mike Piazza? Enter the Amazin' Auction now through July 17 for a chance
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Bobby Bonilla's Mets contract sells at auction for nearly $200K
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50 Most Valuable Baseball Cards of All Time
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Mets Most Valuable Baseball Card: Which one is the Holy Grail?
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Endy Chavez Signed New York Mets 8x10 Photo (Sports Cards COA)
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New York Mets Baseball Cards, Mets Trading Card, Card Sets
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Sports auction includes a dirty note from Mickey Mantle
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Mets Owner Buys Sports Memorabilia Giant Goldin Auctions
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2020 Topps Gallery Baseball Checklist, Set Info, Boxes, Walmart Details
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Robert Edward Auctions - The Premiere Sports Auction House
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Goldin Auctions Sells to Collectors Group Including Mets' Steve Cohen –
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Catalog - SPORTS MEMORABILIA AND CARD ONLINE CATALOGED AUCTION