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 New TCG card for Arceus, Dialga and Palkia : r PokemonTCG 2019 Pokemon Sun & Moon Cosmic Eclipse Holo Arceus & Dialga & Palkia GX #156 CGC 10 GEM MINT on Fanatics Collect GameStop vs market value (pics of cards and pricing breakdown) : r PokeInvesting 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 Arceus & Dialga & PalkiaGX RR 065 095 1 (Used) 1250764887 magi TCG Marketplace magi