Princess Di Beanie Baby
Beanie babies were highly popular in the 1990s, and some of the originals in mint condition are worth a lot of money. After Princess Diana died, a beanie baby was made in her honor to fund the Princess of Wales Memorial.
Stadium Events Video Game (Nintendo)
Nintendo produced the Stadium Events video game, which is one of the most valuable. It only created 200 copies in 1988, and only 10 of them are still in existence. The pre-Wii game is legendary, and one copy sold for $41,300 on eBay!