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: $252, PSA 9: $40, PSA 8: $19.50, Raw: $15.15. 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 $40 on July 17, 2026. A raw (ungraded) copy last sold for $15.15 on August 8, 2026. CardIndex has tracked 99 total sales across all grades for this card. There are currently 21 active listings for Sigilyph GX (Secret).
