Picture this, It's 1952. A kid in Oklahoma flips through a pack of Topps cards, unaware he's holding a future fortune. Fast-forward 70 years, and that Mickey Mantle rookie sells for $12.6 million—the ...

Are you hoarding a stash of baseball cards in the attic? You could be sitting on some serious cash. Like cassette tapes or old vinyl records, some vintage baseball cards offer collectors the chance to ...