About Sidney (Secret)
Sidney (Secret) from the Fusion Strike set (#279) is a Pokemon trading card released in 2021. It has a rarity of Rare Rainbow. Current fair market values for Sidney (Secret) are PSA 10: $39.97, PSA 9: $23, PSA 8: $21.14, Raw: $3.99. The most recent PSA 10 sale was $39.99 on October 13, 2025. The most recent PSA 9 sale was $8.50 on May 11, 2026. A raw (ungraded) copy last sold for $6.99 on February 22, 2026. 333 copies of Sidney (Secret) sold in the last 30 days across eBay, Goldin, and other marketplaces. CardIndex has tracked 7 total sales across all grades for this card. There are currently 128 active listings for Sidney (Secret).
