Question 1

How much is Professor Oak's New Theory worth?

Accepted Answer

Check CardIndex for the latest Professor Oak's New Theory price data and recent sales history across eBay, Goldin, and other marketplaces.

Question 2

What set is Professor Oak's New Theory from?

Accepted Answer

Professor Oak's New Theory is from the HeartGold Collection set, card number 68.

Question 3

Where can I buy Professor Oak's New Theory?

Accepted Answer

Professor Oak's New Theory listings from eBay, Goldin, and other marketplaces are tracked in real time on CardIndex at https://www.cardindex.co.

Professor Oak's New Theory #68 — HeartGold Collection Japanese Price Guide