About Professor Oak's New Theory
Professor Oak's New Theory from the HeartGold Collection set (#68) is a Pokemon trading card released in 2009. Current fair market values for Professor Oak's New Theory are PSA 10: $82.65, PSA 9: $26.99, Raw: $1.99. The most recent PSA 10 sale was $82.65 on September 17, 2025. The most recent PSA 9 sale was $26.99 on June 22, 2026. A raw (ungraded) copy last sold for $1.99 on July 8, 2026. CardIndex has tracked 11 total sales across all grades for this card.
