
TCGplayer
$0.28
Down $0.01 (3.45%)· 30D
Up $0.01 (3.70%)· 7D
Cardmarket
€0.20
Down €0.06 (23.08%)· 30D
Up €0.03 (17.65%)· 7D
Price history
- TCGplayer
- Cardmarket
Cardmarket in US dollars at 1 EUR = 1.1214 USD (ECB).
Prices
TCGplayer
Raw Price- Holo$0.28
Cardmarket
Raw Price- Holo€0.20
Card details
- Rarity
- Rare Holo
- Card type
- Trainer · Supporter
- Illustrator
- KIYOTAKA OSHIYAMA
- Regulation
- D
- Released
- Oct 8, 2021
Price summary
Professor's Research (Professor Oak) 023/025 is worth about $0.25 near mint, the average of the TCGplayer and Cardmarket prices, as of Nov 11, 2026. It is down $0.04 (13.8%) over the last 30 days.
Low and average prices
| Printing | TCG low | CM 30-day avg |
|---|---|---|
| Holo | $0.04 | €0.20 |
Euro prices convert at the ECB rate of Nov 10, 2026: 1 EUR = 1.1214 USD. Near-mint, ungraded copies.
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164/195Uncommon5Regional Championships (Staff)$75
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