Professor's Research from the Celebrations set (#23) is a Pokemon trading card released in 2021. It has a rarity of Rare Holo. Current fair market values for Professor's Research are PSA 10: $229.97, PSA 9: $13.29, PSA 8: $11.01, Raw: $1.25. The most recent PSA 10 sale was $225 on May 23, 2026, with 25 sales tracked in the last 30 days. The most recent PSA 9 sale was $6 on June 21, 2026. A raw (ungraded) copy last sold for $1.95 on June 15, 2026. 286 copies of Professor's Research sold in the last 30 days across eBay, Goldin, and other marketplaces. CardIndex has tracked 226 total sales across all grades for this card. There are currently 361 active listings for Professor's Research.
