Professor's Research [Professor Birch]
Market activity
| Price type | Pop share | PopulationPop | Sold 90d | Median | Price |
|---|---|---|---|---|---|
| Raw | – | 6 | $1.37£1.03€1.21 | – | |
| PSA 8 | 1 | – | – | – | |
| PSA 9 | 3 | – | – | – | |
| PSA 10 | 3 | – | – | – | |
About these prices
Sold and median are 90 days of PSA sales.
Priced from 11 completed sales, updated Sep 17, 2026.
Recent sales
11 completed listings on eBayMore from Professor Program Promos
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Community Center [Top 8]
Friends in Sinnoh (2023)
Prof. Oak's Research (2004-2005)Card facts
- Card number
- 221
- Rarity
- Promo
- Set released
- PSA population, all printings
- 7
- Printings priced
- 1
Professor Program Promos66 cards- Set value
- $1.2k£884€1.0k
- 7 day move
- -9.6%
Looking for a different one? All 91 Professor's Research cards we price →
The same card in other sets
What moves the price of this card
The Professor's Research [Professor Birch] on this page is the Holofoil printing from Professor Program Promos, and it trades at $29.98£22.56€26.40 in near mint condition. Only one printing of this card was produced, so there is no cheaper version to confuse it with.
Condition does most of the work below the surface. A copy with soft corners or a print line off centre trades well under the market price shown here, and a copy clean enough to grade trades well above it. Before you value your own copy, look at the corners under a light and check the centring on the back, where most cards give themselves away.