Professor Oak's Research 149/165
Supporter card from Expedition Base Set · released Sep 15, 2002
Professor Oak's Research is an Uncommon Supporter card, number 149/165 in Expedition Base Set (released Sep 15, 2002), illustrated by Ken Sugimori. Its TCGplayer market price was ~$34.06 for the reverse holofoil finish on Oct 30, 2026. Between Oct 1 and Oct 30, 2026, its Reverse Holofoil TCGplayer market price went from ~$36.56 to ~$34.06, down 6.8%.
Prices by finish
| Finish | PriceMarket price | Low | Mid | Buy |
|---|---|---|---|---|
| Normal | ~$2.22 | ~$0.86 | ~$2.00 | CardNexuseBayBuy Normal on TCGplayer (opens in a new tab)Search eBaySearch AmazonCardNexus |
| Reverse Holofoil | ~$34.06 | ~$12.68 | ~$28.00 | CardNexuseBayBuy Reverse Holofoil on TCGplayer (opens in a new tab)Search eBaySearch AmazonCardNexus |
TCGplayer market prices per finish, as of Oct 30, 2026. A guide, not an appraisal; condition and grading change real-world value. Buy links are affiliate links.
Graded copies on eBay
Graded prices vary a lot by grade. These links search current listings.
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Card details
| Set | Expedition Base Set |
| Number | 149/165 |
| Rarity | Uncommon |
| Artist | Ken Sugimori |
| Format legality | Not legal in Standard or Expanded |
| Finishes | Normal · Reverse Holofoil |
What the codes mean
- Card number149/165Card 149 of the 165 in the main Expedition Base Set list.
- Set symbol
The small Expedition Base Set symbol identifies the set. Cards from before Scarlet & Violet print a symbol instead of a set code. - Regulation markNo regulation mark. Cards before Sword & Shield (2020) have none.
- RarityUncommon: a black diamond.
- Illustrator“Illus. Ken Sugimori” names the artist who made the art.
Card text
You can play only one Supporter card each turn. When you play this card, put it next to your Active Pokémon. When your turn ends, discard this card. Shuffle your hand into your deck, then draw 5 cards.
Other Professor Oak's Research printings
More Expedition Base Set cards
Expedition Base Set price list
Card data via TCGdex and pokemontcg.io, updated Oct 31, 2026. Prices: TCGplayer market prices via TCGCSV, Oct 30, 2026.