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: $2,699, PSA 9: $363, PSA 8: $201.28, Raw: $64.99. The most recent PSA 10 sale was $2,699 on July 26, 2026, with 32 sales tracked in the last 30 days. The most recent PSA 9 sale was $363 on July 15, 2026. A raw (ungraded) copy last sold for $64.99 on July 29, 2026. CardIndex has tracked 124 total sales across all grades for this card. There are currently 6 active listings for Groudon ex.