Professor Oak's New Theory – 101/123

Frequently Asked Questions

How much is Professor Oak's New Theory 101/123 worth?

Professor Oak's New Theory 101/123 from HeartGold SoulSilver has a current market price of $0.89 for the Normal variant. Recent sales range from $0.25 to $20.00.

Is Professor Oak's New Theory a good investment?

Professor Oak's New Theory has appreciated 9.9% since release, showing a positive long-term trend for collectors and investors.

Where can I buy Professor Oak's New Theory?

Professor Oak's New Theory is available on TCGplayer through verified sellers. Use the Buy button on this page to view current listings, market prices, and condition options.

What set is Professor Oak's New Theory from?

Professor Oak's New Theory is from the HeartGold SoulSilver set, part of the HeartGold & SoulSilver series, which contains 124 cards. It is card number 101/123 with a rarity of Uncommon and Supporter type.