Professor Oak's Research 149 / 165 Pokemon Card from Expedition Base Set Set

Professor Oak's Research — Expedition Base Set 149/165 Pokémon TCG card

Professor Oak's Research is a Trainer card of the Supporter subtype. It was illustrated by Ken Sugimori and is numbered 149 in the Expedition Base Set, part…

Set

About the Professor Oak's Research Trainer Card

Professor Oak's Research is a Supporter Trainer card from the Expedition Base Set set, part of the E-Card series. It carries the collector number 149/165 and is classified as Uncommon. The Expedition Base Set set was released on September 15, 2002.

Professor Oak's Research Trainer Card Details

Card name: Professor Oak's Research

Card number: 149/165

Set: Expedition Base Set

Series: E-Card

Rarity: Uncommon

Card type: Trainer (Supporter)

Artist: Ken Sugimori

Release date: September 15, 2002

Why Collect the Professor Oak's Research Trainer Card?

Professor Oak's Research is most often collected as part of a complete Expedition Base Set set rather than as a standalone chase card.

Across the hobby, collectibility generally comes down to rarity, condition, artwork, and overall demand for the set.

Artwork and Illustration of the Professor Oak's Research Trainer Card

Professor Oak's Research was illustrated by Ken Sugimori.

Artwork is one of the factors collectors weigh when deciding which copies to keep or send for grading.

Market Price and Value of the Professor Oak's Research Trainer Card

The current aggregated market price for Professor Oak's Research is about

9.98. Recent listings range from roughly
5.85 (low) to $380 (high), with a mid-point near
9.23. These figures are aggregated from marketplace data and change over time; the live price and full price history are shown above on this page.

For context, the Expedition Base Set set has a median card value near $45.00 and an average near $83.63, so this card sits below the typical card in the set. The aggregated price has moved -39% over the last 7 days and +1% over 30 days.

Pokémon cards are best collected for enjoyment first. Where value matters, it is typically driven by graded population, the popularity of the Expedition Base Set set, the availability of sealed product, and broader Pokémon TCG market trends.

Grading the Professor Oak's Research Trainer Card

Whether Professor Oak's Research is worth grading comes down to condition. Before submitting a card, collectors usually check front and back centring, corner sharpness, edge wear, surface defects, and any print lines or factory imperfections.

Across the hobby, top grades such as PSA 10, BGS/Beckett 9.5–10, and CGC Pristine 10 generally command a premium over raw or lower-graded copies.

PSA has graded 139 copies of this card, of which 27 earned a PSA 10 — a gem rate of about 19.4%. These population figures were last refreshed on June 15, 2026. Population counts only rise as more copies are submitted, so the gem rate and totals shift over time; nothing here is estimated or back-filled.

How Rare Is the Professor Oak's Research Trainer Card?

As an Uncommon card, Professor Oak's Research sits just above commons in print frequency and appears regularly in booster packs.

Population data is one concrete measure of scarcity: PSA has graded 139 copies to date.

Other Printings of Professor Oak's Research

Professor Oak's Research appears on more than one card across the catalog. Other printings include Dragon Frontiers 80 (around $4.46).

These are distinct cards rather than a single listing; compare the set, collector number, and rarity when identifying a specific copy.

Final Thoughts on the Professor Oak's Research Trainer Card

The Professor Oak's Research trainer card is a Uncommon card from the Expedition Base Set set (E-Card series). It is a straightforward addition for collectors completing the Expedition Base Set set. Its current aggregated market price is about 9.98; the live figure and full price history appear above on this page.

Frequently asked questions

What set is the Professor Oak's Research card from?

Professor Oak's Research is from the Expedition Base Set set (E-Card series), numbered 149/165 with the Uncommon rarity.

What rarity is the Professor Oak's Research card?

Professor Oak's Research is classified as Uncommon.

How much is the Professor Oak's Research 149/165 card worth?

The current aggregated market price is about

9.98, within a recent range of roughly
5.85 to $380. The live figure and full price history appear above on this page.

Is the Professor Oak's Research card worth grading?

It can be, if the card is well-centred and free of noticeable edge, corner, or surface flaws. PSA has graded 139 copies so far, with about 19.4% reaching PSA 10. Top grades typically command a premium over raw copies.

What is the PSA population for Professor Oak's Research?

PSA has graded 139 copies, of which 27 are PSA 10 (a gem rate of about 19.4%). These figures were last updated on June 15, 2026.

How rare is the Professor Oak's Research card?

As an Uncommon card, Professor Oak's Research sits just above commons in print frequency and appears regularly in booster packs.

When was the Expedition Base Set set released?

The Expedition Base Set set was released on September 15, 2002.

Are there other printings of Professor Oak's Research?

Yes. Professor Oak's Research appears on one other card across the catalog. Compare the set, collector number, and rarity to identify a specific copy.