Sports convention
Sports Memorabilia1860 Atlantics team baseball card may soar to $50K
The great grand-niece-in-law of Archibald McMahon, one of the players on The Brooklyn Atlantics team of 1860, is the consignor of a rare team baseball card, headlining Heritage Auctions’ Platinum Night Sports Auction, held July 30, in conjunction with the 2015 National Sports Collectors Convention in Chicago.
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