Upper Deck Young Guns hockey cards vary in value and are heavily dependant on player performance and collector demand. Here's ...

What are Starting Lineup figures worth? Is it better to keep SI for Kids cards in the magazine? We answer our colleagues' ...

Topps has been making baseball cards since 1952, the collector's market is willing to pay top dollar for some of them.

That said, owning one that’s not Gem Mint might still be worthwhile, with low-graded cards still being valued in the thousands and making a sweet show-and-tell piece for a collection.

All 103 cards in this set have a perfect gem mint 10 rating from the Professional Sports Authenticator (PSA), the leading authority on collector card quality. What this means is that there are no ...

A rare Steve Jobs autographed business card topped estimates at a recent auction. Here's what makes the item unique and how much it sold for.