
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: $101.41, PSA 9: $24.95, PSA 8: $14.16, Raw: $13. The most recent PSA 10 sale was $98 on May 3, 2026, with 3 sales tracked in the last 30 days. The most recent PSA 9 sale was $22.50 on February 10, 2026. 95 copies of Tapu Koko GX (Secret) sold in the last 30 days across eBay, Goldin, and other marketplaces. CardIndex has tracked 4 total sales across all grades for this card. There are currently 55 active listings for Tapu Koko GX (Secret).