Professor Oak's New Theory (HeartGold SoulSilver 101/123) price
Near-mint market price: $0.71
For the Regular printing.
TCGplayer, updated November 1, 2026
Have this card? Price yours free- Condition matters most. This is the near-mint price; a played, scratched or creased copy could be worth a lot less.
- The price is for this set and number. The same Pokémon from another set is a different card with its own price.
- A graded copy, especially a PSA 9 or 10, is priced well above a raw one.
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