
Price checked Nov 12, 2026 · last changed Oct 21, 2026
- Set
- Expedition Base Set
- Series
- E-Card
- Rarity
- Uncommon
- Number
- 149
- Supertype
- Trainer
- Artist
- Ken Sugimori
- Subtypes
- Supporter

Professor Oak's Research — PSA 9Expedition Base Set · #149
Price checked Nov 12, 2026 · last changed Oct 21, 2026
Professor Oak's Research (Expedition Base Set #149) is worth about $2.22 ungraded, going by the TCGplayer market price. That is up 19% since April 5.
Price History
Recent sales
by gradeReal sold prices — what buyers actually paid, not an estimate.
Sold-price data from Silph Co Analytics. Outliers excluded.
Prices & Marketplace
PSA 9 · cheapest right now
live eBay asks$250
cheapest of 2 PSA 9 listings for Professor Oak's Research
See PSA 9 listings on eBay →Asking prices, not sold prices. Condition is settled by the grade, but always check the listing.
TCGPlayer (NM market)
referenceBuy this card
TCGPlayer$2.22 marketCardmarketAffiliate links: we may earn a commission when you buy through them, at no extra cost to you.
Buy on eBay
active asks · 5d agoListings by grade
The cheapest copy listed on eBay at each grade right now — what the slab is worth paying for.
| Grade | Lowest ask | Listed | |
|---|---|---|---|
| PSA 9 | $250 | 2 | Listings → |
| PSA 8 & under | $99.99 | 2 | Listings → |
| CGC 9.5+ | $89.99 | 1 | Listings → |
| Raw / Ungraded | $0.99 | 195 | Listings → |
These are current asking prices, not sold prices — a grade with one optimistic listing can look far pricier than it trades for. Recent sold comps are below.
