![Professor's Research [Professor Birch] 221 from Professor Program Promos](/api/img?u=https%3A%2F%2Ftcgplayer-cdn.tcgplayer.com%2Fproduct%2F704478_in_1000x1000.jpg&w=800&v=2)
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Professor Program Promos / 221
Professor's Research [Professor Birch]
Promo
$28.99TCGplayer market, Holofoil
7 days —30 days —90 days —
PullPile started tracking this card on Oct 26, 2026. The chart fills in as daily prices come in.
- Lowest listing
- $24.99
- Mid price
- $25.00
- Highest tracked
- $28.99Oct 2026
- Cardmarket trend
- —
- Cardmarket 30-day average
- —
- In circulation
- 3 dayssince Oct 2026
![Professor's Research [Professor Birch] 221](/api/img?u=https%3A%2F%2Ftcgplayer-cdn.tcgplayer.com%2Fproduct%2F664829_in_1000x1000.jpg&w=320&v=2)