Professor Oak's ResearchExpedition Base Set 149/165 price & value
Ungraded · near mint
Strong data$2.17
- PSA 10
- $55.95
- PSA 9
- $30.50
- PSA 8
- $12.74
Prices updated today · How we price cards
Ungraded price by printing
- Non-holo$2.17
- Reverse holo$36.56
Current marketplace price for each printing. The headline value above blends sold prices across printings.
About this card
As of Sep 28, 2026, Professor Oak's Research 149/165 from Expedition Base Set is worth about $2.17 ungraded in near-mint condition and $55.95 graded PSA 10. That value is based on 14 recorded sales in the last 90 days.
Professor Oak's Research is card 149 of 165 in the Expedition Base Set price guide, a set released in September 2002 during the Wizards of the Coast era. Its rarity is Uncommon. The artwork is by Ken Sugimori. In the checklist it sits after Professor Elm's Training Method 148/165 and before Strength Charm 150/165.
It is the 147th most valuable of the 165 priced cards in Expedition Base Set, behind Gengar 13/165 (see the most valuable Expedition Base Set cards). A PSA 10 copy is valued at about 26× the ungraded price, and a PSA 9 at $30.50, so condition matters a lot for this card.
Price history
- Now
- $2.17
- 4 weeks
- +15%
- 90 days
- +9.0%
- 1 year
- +9.6%
- Highest
- $4.95
- Lowest
- $1.38
Recorded history starts January 2021. Earlier history is monthly averages; from July 22, 2026 the line is a 7-day average of daily prices, so single-day swings don’t show.
Matched sold listings
Recent sales
22 on record
- PSA 62002 POKEMON EXPEDITION #149 PROFESSOR OAK'S RESEARCH PSA 6Sep 12, 2026 · eBay · View listing$7.50
- CGC 102002 Pokemon Expedition Professor Oak's Research #149 CGC 10 PRISTINESep 7, 2026 · Fanatics Collect · View listing$72.00
RawProfessor Oak's Research 149/165 Uncommon Expedition Base Set Pokemon LPSep 3, 2026 · eBay · Listed as lightly played · View listing$1.99
RawProfessor Oak's Research 149/165 Uncommon Expedition Base Set Pokemon NM/LPSep 1, 2026 · eBay · Listed as lightly played · View listing$3.99
RawPokemon Expedition Base Set 2002 Professor Oak's Research 149/165 Holo Unc ENAug 18, 2026 · eBay · View listing$34.00
RawProfessor Oak's Research # 149/165 Expedition Base Set Pokemon Trading Cards MPAug 16, 2026 · eBay · Listed as moderately played · View listing$1.24
RawProfessor Oak's Research 149/165 - Pokemon Expedition Base Set - Uncommon - MPAug 13, 2026 · eBay · Listed as moderately played · View listing$1.99
RawPokemon Expedition Base Set Professor Oak's Research 149/165Aug 12, 2026 · eBay · View listing$2.75
Card details
- Number
- 149/165
- Rarity
- Uncommon
- Released
- Sep 15, 2002
- Illustrator
- Ken Sugimori
- Printings
- Non-holo, Reverse holo
Next in the binder
Nearby in Expedition Base Set
Pokémon Nurse
Expedition Base Set · 145/165
$13.33Pokémon Reversal
Expedition Base Set · 146/165
$3.51Power Charge
Expedition Base Set · 147/165
$0.94Professor Elm's Training Method
Expedition Base Set · 148/165
$2.19Strength Charm
Expedition Base Set · 150/165
$1.94Super Scoop Up
Expedition Base Set · 151/165
$2.44Warp Point
Expedition Base Set · 152/165
$3.32Energy Search
Expedition Base Set · 153/165
$0.62
Expedition Base Set
Chase cards from this set
Common questions
How much is Professor Oak's Research 149/165 Expedition Base Set worth?
As of Sep 28, 2026, Professor Oak's Research 149/165 Expedition Base Set is worth about $2.17 ungraded in near-mint condition. Recent prices range from $2.00 to $2.17. A PSA 10 copy is worth about $55.95. How we price cards.
How much is a PSA 10 Professor Oak's Research 149/165 worth?
A PSA 10 Professor Oak's Research 149/165 Expedition Base Set is worth about $55.95; PSA 9 about $30.50; PSA 8 about $12.74; PSA 7 about $4.88. That is about 26× the ungraded value.
How often does Professor Oak's Research 149/165 sell?
Professor Oak's Research 149/165 Expedition Base Set recorded 14 sales in the last 90 days (4 in the last 30), most recently on Sep 12, 2026. The highest recent sale was $275 for a PSA 10 copy on Jul 18, 2026.
What is the most valuable card in Expedition Base Set?
The most valuable card in Expedition Base Set is Gengar 13/165, at about $968 ungraded. Professor Oak's Research 149/165 ranks 147th of 165. See the full Expedition Base Set ranking.
What set is Professor Oak's Research 149/165 from?
Professor Oak's Research 149/165 is from the English Pokémon TCG set Expedition Base Set, released Sep 15, 2002, in the Wizards of the Coast era. Its rarity is Uncommon.