Koffing (Secret) from the Cosmic Eclipse set (#243) is a Pokemon trading card released in 2019. It has a rarity of Rare Secret. Current fair market values for Koffing (Secret) are PSA 10: $303.65, PSA 9: $40, PSA 8: $25, Raw: $30. The most recent PSA 10 sale was $329.99 on May 10, 2026, with 13 sales tracked in the last 30 days. The most recent PSA 9 sale was $55.06 on May 5, 2026. A raw (ungraded) copy last sold for $299 on April 14, 2026. 527 copies of Koffing (Secret) sold in the last 30 days across eBay, Goldin, and other marketplaces. CardIndex has tracked 41 total sales across all grades for this card. There are currently 188 active listings for Koffing (Secret).
