Make sure to ask GameStop employees for the secret stack they have in the back of the Moltres Promo card. They will know what you're talking about, and think that no one The best Ken Griffey Jr. cards to collect: From rookie cards to a Nintendo promo The Athletic GameStop 1999 Bicycle Pokemon Mini Playing Cards Green Deck Charizard King Of Hearts PSA 9 MainPlace Mall PSA 10 BASEBALL CARD 1990 TOPPS ROOKIE HOF KEN GRIFFEY JR MARINERS BLOODY SCAR A Customer in Austin, Texas traded in 96 PSA graded Pokmon cards for $6,000 in store credit. Big bag! 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