
Mewtwo GX (Secret) from the Shining Legends set (#76) is a Pokemon trading card released in 2017. It has a rarity of Rare Rainbow. Current fair market values for Mewtwo GX (Secret) are PSA 10: $795.57, PSA 9: $91.69, PSA 8: $55.40, Raw: $69.12. The most recent PSA 10 sale was $910 on June 22, 2026, with 39 sales tracked in the last 30 days. The most recent PSA 9 sale was $115 on June 15, 2026. A raw (ungraded) copy last sold for $56 on June 22, 2026. CardIndex has tracked 196 total sales across all grades for this card. There are currently 76 active listings for Mewtwo GX (Secret).