Jackie Robinson Game-Used Cap Sells for Almost $600,000
Montreal Expos team ownership history – Society for American Baseball Research
At Auction: 1955 Topps Baseball near complete set (204 of 206 cards).
9 of the Most Valuable Baseball Cards in History
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Hat used to protect Jackie Robinson from racists could fetch $400K at auction
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Cleveland Guardians team ownership history – Society for American Baseball Research
Jackie Robinson jersey has opening bid of $2.2 million in Goldin auction - Sports Collectors Digest
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