
Tapu Koko GX (Secret) from the Guardians Rising set (#153) is a Pokemon trading card released in 2017. It has a rarity of Rare Rainbow. Current fair market values for Tapu Koko GX (Secret) are PSA 10: $122.09, PSA 9: $46.16, PSA 8: $9.99, Raw: $13.60. The most recent PSA 10 sale was $120 on June 16, 2026, with 30 sales tracked in the last 30 days. The most recent PSA 9 sale was $48 on June 7, 2026. A raw (ungraded) copy last sold for $19.69 on June 18, 2026. CardIndex has tracked 125 total sales across all grades for this card. There are currently 40 active listings for Tapu Koko GX (Secret).