Local GameStop for me. $200 Prismatic UPCs and mountains of overpriced Pokemon cards just sitting becuase no one wants to buy them. Congratulations GameStop, you've played yourself. A GameStop store in Winchester, Virginia took in 19 PSA graded Pokmon cards on trade, worth over $4600! Trade your cards in for cash today, and look up your cert numbers for estimates How to Grade Pokemon Cards at PSA with GameStop My Grading Experience Articles Elite Fourum What do you think the expected value of a GameStop power pack of pokemon cards is? Did they actually reveal the data? From what I've seen it's around 30% to 50%.