Celebrations
#23 · 2021 · 25 cards
Professor's Research (Professor Oak) #23 from Celebrations is worth $0.19 in Near Mint condition (updated July 25, 2026). A PSA 10 copy sells for $253.26.
Market Price · Near Mint · Updated July 25, 2026
↓ Declining$0.22
Low $0.02Prices updated Jul 25, 2026
$0.22
Recent market data · NM
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Live listings · Sorted by price
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Type
Trainer
Stage
Supporter
Illustrated by
KIYOTAKA OSHIYAMA
Professor's Research (Professor Oak) #23 from Celebrations has a market price of $0.19 in Near Mint condition, last updated July 25, 2026. Prices refresh daily from live marketplace data.
A PSA 10 (Gem Mint) copy of Professor's Research (Professor Oak) #23 sells for $253.26.
Professor's Research (Professor Oak) is down 13.6% over the last 14 days, and down 9.5% over 6 months.
Set Rank · Celebrations
Ungraded + PSA / CGC / BGS grades
| Condition | Market | eBay |
|---|---|---|
| Near MintMost common | $0.19 | $1.43 |
| Lightly Played | $0.30 | — |
| Moderately Played | $0.21 | — |
| Heavily Played | $0.30 | — |
| Damaged | $0.08 | — |
Graded Prices
| Grade | PSA | CGC | BGS | vs Raw |
|---|---|---|---|---|
| ★ 10 | $253.26 | $20.40 | — | +133195% |
| 9 | $10.68 | $5.98 | $14.93 | +5521% |
| 8 | $15.21 | $5.51 | — | +7905% |
| 7 | $5.45 | — | — | +2768% |
Live market prices · ~ estimated using standard condition discounts
181 recent eBay sales
| Condition | Market | vs NM | eBay Sold |
|---|---|---|---|
Near Mint | $0.19 | base | $1.43 |
Lightly Played | $0.30 | 58% | — |
Moderately Played | $0.21 | 11% | — |
Heavily Played | $0.30 | 58% | — |
Damaged | $0.08 | -58% | — |
~ estimated from NM using standard condition discounts · updated when marketplace data is available
181 recent eBay sales
Professor's Research
25th Anniversary Collection
-2.6%14d
Professor's Research
25th Anniversary Collection
0.0%14d
Professor's Research
Black Bolt
0.0%14d
Professor's Research
Black Bolt
-28.6%14d
Professor's Letter
BREAKthrough
+2.3%14d
Professor's Letter
BREAKthrough
-3.2%14d
Professor's Research
Brilliant Stars
0.0%14d
Professor's Research (Professor Oak)
Celebrations
-11.3%14d
Professor's Research (Professor Magnolia)
Champion's Path
-40.0%14d
Professor's Letter
Collection Y
0.0%14d
Tap a grade to see its price history
Ungraded
$0.19
NM raw
