If you've ever wandered through a flea market, you know the thrill of spotting a hidden gem that could turn into a great ...

This card is prized among collectors because it memorializes Jackie Robinson’s rookie season of 1947, when he broke the color barrier in Major League Baseball’s modern era.

After the Houston Rockets star initially guessed that it was worth $112,000, he was astonished when he was notified that the record was actually $780,000. Durant's 2007-08 Upper Deck Exquisite ...

Sometimes, the things we've had tucked away for years could turn out to be hidden treasures. I've come across plenty of ...