
Professor Oak's Research
Expedition · 149/165 · Uncommon
Current Prices
Set
ExpeditionNumber
149/165
Rarity
Uncommon
Variant
Reverse_Holofoil
Market
US (TCGplayer)
Last Updated
Jun 9, 2026
What Is Professor Oak's Research Worth?
Professor Oak's Research (Reverse_Holofoil variant) is an Uncommon from Expedition, card number 149/165. On PokeCardWorth we focus on one question — what is it actually worth — and at its current valuation, it sits in the budget range, so it is an accessible addition for most collectors.
Professor Oak's Research Value Breakdown
As of 2026, Professor Oak's Research (Expedition, 149/165) is worth around $19.99 in Near Mint condition. Condition drives the price hard: a Near Mint copy is worth about $19.99, while a Damaged one drops to roughly $0.40. The full condition ladder runs Near Mint $19.99, Lightly Played $8.43, Moderately Played $4.78, Heavily Played $2.00, Damaged $0.40 — so grading the condition correctly before you buy or sell matters more than almost anything else. A PSA 10 (Gem Mint) example is valued near $96.00 — about 4.8x the raw price, which is the single biggest swing in this card's value. PSA 9 copies sit around $99.99.
Is It Worth Grading Professor Oak's Research?
Grading Professor Oak's Research can pay off concretely: the gap between its raw value ($19.99) and a PSA 10 ($96.00) is about $76.01 — a 4.8x uplift before grading fees. Other graded tiers we track: PSA 9 $99.99, CGC 10 $255.00, PSA 8 $14.50. Only grade a budget card like this if it is flawless and you plan to hold long-term.
Detailed Price Breakdown
| Source | Condition / Grade | Average | Low | High | Sales |
|---|---|---|---|---|---|
| ebay | LIGHTLY PLAYED | $5.99 | $5.99 | $5.99 | 5 |
| ebay | NEAR MINT | $14.00 | $14.00 | $14.00 | 6 |
| ebay | CGC 10 | $255.00 | $255.00 | $255.00 | 2 |
| ebay | CGC 9 | $15.00 | $15.00 | $15.00 | 1 |
| ebay | PSA 10 | $96.00 | $96.00 | $96.00 | 1 |
| ebay | PSA 5 | $9.05 | $9.05 | $9.05 | 1 |
| ebay | PSA 7 | $19.00 | $19.00 | $19.00 | 5 |
| ebay | PSA 8 | $14.50 | $14.50 | $14.50 | 2 |
| ebay | PSA 9 | $99.99 | $99.99 | $99.99 | 2 |
| tcgplayer | DAMAGED | $0.40 | $0.33 | $0.40 | 45 |
| tcgplayer | HEAVILY PLAYED | $2.00 | $2.00 | $2.00 | 4 |
| tcgplayer | LIGHTLY PLAYED | $8.43 | $8.43 | $8.43 | 26 |
| tcgplayer | MODERATELY PLAYED | $4.78 | $4.78 | $4.78 | 43 |
| tcgplayer | NEAR MINT | $19.99 | $19.99 | $19.99 | 70 |
Is Professor Oak's Research a Good Buy?
Professor Oak's Research is an uncommon — steady set-filler value rather than an investment piece. Upside is modest; the main reason to hold is enjoyment and set-building. Whatever you decide, recheck Professor Oak's Research's value on PokeCardWorth before buying or selling — the 2026 market shifts with set releases, nostalgia cycles, and demand.