Mecha Mewtwo GX Pokemon Card Etsy Mewtwo GX #78 Prices Pokemon Shining Legends Pokemon Cards Mewtwo GX 31 68 Ultra Rare Hidden Fates Pokemon Card NM Pokemon Expedition Base Set Single Card Rare Charizard 39 Near Mint Lightly Played Lightly Played ToyWiz Mewtwo GX 78 73 Shining Legends Alternate Art Secret Rare Pokemon Card eBay The infamous Secret Mewtwo GX from Shining Legends aka Test Tube Mewtwo just sold in a #PSA10 for $4,000 on eBay Even with a POP 2,630 in PSA 10, this