Professor's Research (Professor Oak)
Celebrations · #24/25
Professor's Research (Professor Oak) (24/25), the Ultra Rare from Celebrations, has an estimated ungraded market price of about about $1.
As of July 20, 2026 · tracked daily by Riffle · estimates, not financial advice · how these numbers work
Image © The Pokémon Company, shown for identification.
The modeled fair value of this card, with a confidence grade: what it should trade at, not just what it lists at. Part of Riffle premium, alongside price history and the full graded ladder.
About Professor's Research (Professor Oak)
Professor's Research (Professor Oak) is a Ultra Rare (24/25) from the Pokémon Celebrations set, released October 8, 2021. Ungraded copies currently trade at an estimated market price of about $1. The artwork is by Ken Sugimori. Riffle tracks its market price daily; graded (PSA) comps and full price history are available with Riffle.
Details
Other versions of Professor's Research (Professor Oak)
Professor's Research (Professor Oak) appears on 2 different cards across the sets Riffle tracks, at very different values. This page covers #24/25 from Celebrations; the collector number printed at the bottom of the card tells them apart.
FAQ
How much is Professor's Research (Professor Oak) (24/25) worth?
Professor's Research (Professor Oak) (24/25), the Ultra Rare from Celebrations, has an estimated ungraded market price of about about $1. Note: 1 other card named Professor's Research (Professor Oak) exists across the sets Riffle tracks, at very different values; check the collector number.
Which Professor's Research (Professor Oak) card is this, and how do I tell the versions apart?
This page covers Professor's Research (Professor Oak) (24/25), the Ultra Rare (about about $1) from Celebrations.
The other version: #23/25 from Celebrations (Holo Rare, about under $1).
The collector number printed at the bottom of the card is the reliable way to tell them apart.
Should I grade Professor's Research (Professor Oak) (24/25)?
Ahead after fees: with a 38% PSA 10 gem rate and current graded prices, grading a near-mint Professor's Research (Professor Oak) (24/25) is estimated to net about $122 more than selling it raw (est.).
Assumes ~$25/card bulk-rate grading (standard service costs more); ignores turnaround time, sub-9 grades, and shipping. A screen, not a promise.
Is Professor's Research (Professor Oak) (24/25) rare?
Professor's Research (Professor Oak) (24/25) is a Ultra Rare. PSA has graded 2,524 copies to date, so graded supply is measurable and growing.
How rare is a PSA 10 Professor's Research (Professor Oak) (24/25)?
Of the 2,524 copies PSA has graded, 38% earned a PSA 10. That's a low gem rate, so flawless copies are genuinely hard to come by. Grade-by-grade population and pop-over-time appear with Riffle premium.
More from Celebrations
Should I grade Professor's Research (Professor Oak)?
Ahead after fees: grading nets ≈ +$122 vs selling raw (est.)
Expected grading return from this card’s 38% PSA 10 gem rate and current graded market prices, minus a ~$25/card bulk-rate grading fee, compared against selling ungraded at market price. Standard grading service costs more; centering risk, sub-9 grades, turnaround time, and shipping aren’t included. The exact PSA 9/10 prices behind this are part of Riffle premium. Not financial advice.
PSA population & gem rate
From the PSA population census, captured monthly by Riffle. A 38% gem rate is on the hard side; PSA 10 copies of this card are scarcer than the typical modern chase card. Grade-by-grade population and pop-over-time appear with Riffle premium.
- about $1 is the middle 80% of clean market activity, not the cheapest listing and not the most hopeful one.
- The band spans about ±17% around its midpoint: a moderate spread.
- Sampled daily since July 20, 2026, current as of July 20, 2026.
When the data thins, the band widens and says so, it never fakes precision. Exact source prices are part of Riffle premium; the band is Riffle’s own figure to publish. How these numbers work →