Professor's Research (Professor Oak) Celebrations #23
Sold prices, not asking · Updated 5 July 2026
Confidence high · How we price →
Professor's Research (Professor Oak) is a Rare Holo Pokémon card from Celebrations (#23), illustrated by KIYOTAKA OSHIYAMA. It's a Supporter Trainer card. Its current blended market value is $0.15 ungraded. Prices are aggregated across marketplaces — raw and graded, updated daily and shown in your local currency.
Prices last updated 5 July 2026.
| Grade | Relative value | Price |
|---|---|---|
| PSA 9 | $14$8–$19 | |
| PSA 8.5 | $13$13–$13 | |
| PSA 8 | $11$8–$14 | |
| PSA 7 | $9$5–$13 | |
| PSA 6 | $8$7–$10 |
Price history · Raw
Recent sold prices
No recent sold listings tracked.
Should you grade it?
after ~$70.13 grading fee → 93.9× the raw value
| Target grade | Est. value | Grading fee | Net vs raw | Multiple |
|---|---|---|---|---|
| PSA 9 | $14.08 | $70.13 | −$56 | 93.9× |
| PSA 8.5 | $12.50 | $70.12 | −$58 | 83.3× |
| PSA 8 | $11.18 | $70.1 | −$59 | 74.5× |
Net = graded value − raw value − grading cost (tier fee + ~$20 round-trip shipping), using PSA fees as of 2026-06-28; the paused PSA Value tier is excluded so this isn't overstated. Real outcome depends on the grade achieved; PSA 10 is best-case.
We'll email you when this card's value crosses your target.
Where to buy
Market dataCross-market spread, EU price, momentum & community buzz
Cross-market prices
47% spreadCurrently 47% cheaper on TCGplayer than Cardmarket. These are independent market prices for the same card — a wide gap can mean a buying opportunity. Informational only, not arbitrage advice.
Market signal
Derived from this card's 90-day price history, recent trend and cross-market price gap. Informational, not advice.
🇪🇺 Cardmarket price · Europe
Card text
Discard your hand and draw 7 cards.
You may play only 1 Supporter card during your turn.
Card details
Other Professor's Research (Professor Oak) cards
There are 2 different Professor's Research (Professor Oak) printings — make sure you're valuing the right one. This is Celebrations #23 (Rare Holo).
More from Celebrations
Frequently asked questions
How much is Professor's Research (Professor Oak) (Celebrations #23) worth?
As of 5 July 2026, Professor's Research (Professor Oak) from Celebrations is worth approximately $0.15 ungraded (near-mint). Values are blended from real Cardmarket, eBay sold and TCGplayer prices and update daily.
Is Professor's Research (Professor Oak) rare?
Professor's Research (Professor Oak) is a Rare Holo card from Celebrations (card #23), illustrated by KIYOTAKA OSHIYAMA. Its current blended market value is $0.15 ungraded.