Question 1

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

Accepted Answer

Professor Oak's New Theory 101/123 from HeartGold & SoulSilver is currently worth around £0.17 in Near Mint condition. Graded copies (PSA 9/10) can sell for significantly more.

Question 2

Is Professor Oak's New Theory 101/123 rare?

Accepted Answer

It is listed as a Uncommon card in HeartGold & SoulSilver. Rarer pull rates apply to Holo, Ultra Rare, Illustration and Secret Rare variants.

Question 3

What set is Professor Oak's New Theory 101/123 from?

Accepted Answer

Professor Oak's New Theory 101/123 was printed in HeartGold & SoulSilver (HeartGold & SoulSilver series).

Question 4

How do I know if my Professor Oak's New Theory card is real?

Accepted Answer

Check the print quality, texture, font, holo pattern and back colour. Compare to a verified copy and use the CardVaulty scanner to assist authentication. See our spotting fakes guide for a full checklist.

Question 5

What condition affects Professor Oak's New Theory's value?

Accepted Answer

Centring, surface scratches, edge whitening and corner wear all impact value. Mint and Gem Mint examples command large premiums; Played copies trade at steep discounts.

Question 6

Should I grade Professor Oak's New Theory?

Accepted Answer

Grading makes sense when the raw card looks Mint or better and the graded population/market supports a healthy premium over raw prices. PSA, CGC and Beckett are the main services.

Question 7

Where can I track Professor Oak's New Theory in my collection?

Accepted Answer

Sign in to CardVaulty and add this card to your Vault or Wishlist — we'll keep the live price, quantity and condition in sync for you.

Condition	Estimated value	Type
Poor	£0.03	Raw
Played	£0.05	Raw
Light Played	£0.09	Raw
Excellent	£0.13	Raw
Near Mint	£0.17	Raw
Mint	£0.20	Raw
PSA 8	£0.37	Graded
PSA 9	£0.60	Graded
PSA 10	£1.19	Graded

Professor Oak's New Theory

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