Professor Oak's Research
Expedition Base Set · #149/165
Professor Oak's Research (149/165), the Uncommon from Expedition Base Set, has an estimated ungraded market price of about $26–$34.
As of July 17, 2026 · tracked daily by Riffle · estimates, not financial advice
Image © The Pokémon Company, shown for identification.
About Professor Oak's Research
Professor Oak's Research is a Uncommon (149/165) from the Pokémon Expedition Base Set set, released September 15, 2002. Ungraded copies currently trade at an estimated market price of $26–$34. The artwork is by Ken Sugimori. Riffle tracks its market price daily; graded (PSA) comps and full price history are available with Riffle.
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FAQ
How much is Professor Oak's Research (149/165) worth?
Professor Oak's Research (149/165), the Uncommon from Expedition Base Set, has an estimated ungraded market price of about $26–$34.