Gallery: If You Have Any of These Rare Pokemon Cards, You Might Be Sitting on a Gold Mine

It's time to take a trip to your parents basement instead of your local Pokéstop. While the Pokémon Go app reminded us of how obsessed we were with Pikachu and friends, the real hardcore Pokémon fans have always been out there on eBay waiting to throw down some serious cash for your old cards. These are the ones that you need to be tearing apart your basement looking for.