HeartGold & SoulSilver
Professor Oak’s New Theory
#101
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£0.66
Raw (ungraded)· 6 May 2026
Price history builds weekly — check back soon.
Professor Oak’s New Theory — Worth & Price Trend
What is Professor Oak’s New Theory worth?
As of 6 May 2026, Professor Oak’s New Theory from HeartGold & SoulSilver is worth £0.66 raw (ungraded). Prices are tracked daily on TCG Invest.
Professor Oak’s New Theory price trend
Price trend data for Professor Oak’s New Theory is limited — check the chart above for the latest available history.
Card Details
SetHeartGold & SoulSilver
Number#101
Prices in GBP from PriceCharting. Updated weekly. Not financial advice.