Groudon ex from the Undone Seal set (#56) is a Pokemon trading card released in 2004. Current fair market values for Groudon ex are PSA 10: $2,259.60, PSA 9: $375, PSA 8: $201.28, Raw: $89.99. The most recent PSA 10 sale was $2,259.60 on August 20, 2026, with 34 sales tracked in the last 30 days. The most recent PSA 9 sale was $375 on August 15, 2026. A raw (ungraded) copy last sold for $89.99 on August 10, 2026. CardIndex has tracked 129 total sales across all grades for this card. There are currently 9 active listings for Groudon ex.