GameStop just had their most valuable trade in of all time worth over $30k The trade in was for a fully authenticated PSA 10 Holo Gengar Pokmon card at their Grapevine, Texas location. The card Pokemon Lycanroc GX Box 4 Booster Packs, Promo Card Oversize Card Pokemon USA ToyWiz The Most Valuable GameStop Promos In The Pokemon TCG Thinking about selling all my cards quickly. Is GameStop a decent way to go about it? I know at card shows it is typically 65 80% depending on the card. Not sure how Opening A Pokemon Lycanroc GX Box Pokemon TCG Unboxing YouTube I asked gamestop what they're trade rate was before this submission, got told 65%. cards been going down since I pulled it and sent it for grading, down to a $1050 average,