Professor Birk
Market value
Updated 8/5/2026$0.42
est. marketTCGPlayer · by variant
| Variant | Low | Market | High |
|---|---|---|---|
| Normal | $0.15 | $0.42 | $20.42 |
| Reverse Holo | $1.90 | $3.55 | $47.50 |
Where to buy
Affiliate links — your purchase supports the project at no extra cost.