Sigilyph GX (Secret) from the Lost Thunder set (#222) is a Pokemon trading card released in 2018. It has a rarity of Rare Rainbow. Current fair market values for Sigilyph GX (Secret) are PSA 10: $113.66, PSA 9: $17.61, PSA 8: $10.15, Raw: $9. The most recent PSA 10 sale was $252 on May 17, 2026, with 6 sales tracked in the last 30 days. The most recent PSA 9 sale was $17.01 on July 3, 2025. A raw (ungraded) copy last sold for $14.99 on June 13, 2026. CardIndex has tracked 84 total sales across all grades for this card. There are currently 20 active listings for Sigilyph GX (Secret).
