A carefully curated selection of rare and valuable trading cards and memorabilia — from one of the highest graded Mickey Mantle rookie cards to the backboard that Michael Jordan hit arguably his greatest shot on and much more — will hit the auction block on July 30, 2015, in Heritage Auctions’ Summer Platinum Night event held in conjunction with the National Sports Collectors Convention in Chicago, IL. ‘This is the sixth straight year we’ve offered our Summer Platinum Night auction at the National,’ said Chris Ivy, Director of Sports Auctions at Heritage. ‘It’s a natural fit that has worked beautifully: you have the premier sports collectibles show and you have the premier sports collectibles auction house. The offerings this summer are nothing short of spectacular.’ Rare and important trading cards sit at the heart of the auction, beginning with the only known baseball team card to predate the start of the American Civil War,

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