You always hope to find some rare baseball cards worth money when you're rifling through your grandparents' closets. From the famous Honus Wagner card to the amazing cards from the Negro League ...

A rare Joe Jackson card was among the collection. The collection could be worth "six figures." Auction Monthly Brandon said Ed began collecting baseball cards in his adolescence and regularly ...

Whether you’re looking to break into the rare or valuable baseball card market or are already a card-flipping enthusiast, here are a few cards you might want to keep an eye on. Ken Griffey Jr ...