NBA 2 Ball (1998)
Original cost: Free
Video games are among the most valuable tech items you may unknowingly have stored away in the attic. Collectors prize special versions, limited editions, and prototypes--and if you somehow stumbled across one of them in your past, it may very well mean a small financial windfall.
Consider NBA 2 Ball. Copies of the PlayStation game were distributed at the 1998 NBA All Star Game. When a friend who attended the event brought one to school, Mike Muchnik bought it from him for a mere $5. After hanging on to the game for 12 years, he decided to sell it for some extra cash.
Muchnik did some research and learned from gaming experts "that approximately 500 copies were made to be distributed as a way of advertising 2 Ball, which was a new addition to the NBA All Star game." However, the game was never sold on the market--and, including his, only four copies are known to exist.
He says, "I was told it could be worth one figure or as high as five figures, and I would only know when I auctioned it. I started the bidding at $300 because I was told that someone would be willing to pay me $300 for it." After he
made a video to prove its authenticity
, 25 bids drove the price up to $710.
Image courtesy of Game Rave (www.game-rave.com)