Holon Research Tower from the Delta Species set (#94) is a Pokemon trading card released in 2005. It has a rarity of Uncommon. Current fair market values for Holon Research Tower are PSA 10: $270, PSA 9: $16.50, PSA 8: $40, Raw: $3.88. The most recent PSA 10 sale was $270 on June 7, 2026, with 5 sales tracked in the last 30 days. The most recent PSA 9 sale was $16.50 on November 17, 2025. A raw (ungraded) copy last sold for $3.88 on August 21, 2026. CardIndex has tracked 70 total sales across all grades for this card. There are currently 16 active listings for Holon Research Tower.