Professor Oak's Research
SetExpedition Base Set
Year2002
RarityUncommon
Number#149
Ungraded
$2.56+$1.55
45 sales · last Jul 8, 2026
PSA 7
$12.30
1 sales · last Jun 7, 2026
PSA 9
$36.00
1 sales · last Jul 2, 2026
Professor Oak's Research price guide
Professor Oak's Research is a collectible Pokémon card from the Expedition Base Set expansion (2002). Setlot tracks 47 recorded sales for this card across 3 grade tiers, 44 of them in the last 90 days. PSA 9 copies have a 90-day median of $36.00. Ungraded copies currently trade around $2.56. The top grade commands 14× the ungraded price — grading meaningfully changes what this card is worth. The highest sale on record is $36.00 (PSA 9, Jul 2, 2026). 45 listings are live right now with asks from $0.99.
Price history
Grading premium
Median graded price vs. the ungraded copy ($2.56) — a rough read on whether grading pays off.
PSA 7
4.8×
$12.30
PSA 9
14×
$36.00
Live listings
Search on eBay ↗Lowest asks per grade. Older listings may have ended — “seen” is when we last confirmed each one.
| Grade | Listing | Marketplace | Seen | Price |
|---|---|---|---|---|
| Ungraded 45 tracked | 2002 Pokemon Expedition Base Set Trainer Car Professor Oak's Research 149 /165 lt_enterprise | eBay | 1mo ago | $0.99↗ |
Recent sales by grade· last 90 days
| Grade | Sold | Median | Range |
|---|---|---|---|
| Ungraded | 42 | $2.56 | $0.82 – $13.35 |
| PSA 7 | 1 | $12.30 | $12.30 |
| PSA 9 | 1 | $36.00 | $36.00 |
Recent sales
| Date | Grade | Title | Sold on | Price |
|---|---|---|---|---|
| Jul 8, 2026 | Ungraded | Professor Oak's Research Expedition 149/165 Pokemon Card↗ | eBay | $2.00 |
| Jul 6, 2026 | Ungraded | PROFESSOR OAK'S RESEARCH 149/165 EXPEDITION BASE SET POKEMON TCG↗ | eBay | $3.59 |
| Jul 6, 2026 | Ungraded | Professor Oak's Research 149/165 Uncommon Expedition Base Set Pokemon MP↗ | eBay | $1.99 |
| Jul 6, 2026 | Ungraded | 2002 Pokemon Expedition Professor Oak's Research #149/165↗ | eBay |
