Professor's Research [Professor Birch]
![Professor's Research [Professor Birch] #221 Professor Program Promos card](https://tcgplayer-cdn.tcgplayer.com/product/704478_400w.jpg)
| Set | Professor Program Promos |
|---|---|
| Number | 221 |
| Rarity | Promo |
| Card type | Trainer - Supporter |
TCGplayer market Holofoil
$28.99
as of Oct 20, 2026
Price by printing
| Printing | Market | Low | Mid | High |
|---|---|---|---|---|
| Holofoil | $28.99 | $24.99 | $25.00 | $29.86 |
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Converted from USD at the ECB reference rate of .
Price history starts Oct 20, 2026 — the chart appears after 7 days
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