Professor Birk
Market value
Updated 8/5/2026$0.45
est. marketTCGPlayer · by variant
| Variant | Low | Market | High |
|---|---|---|---|
| Normal | $0.15 | $0.45 | $19.98 |
| Reverse Holo | $4.12 | $9.99 | $99.90 |
Where to buy
Affiliate links — your purchase supports the project at no extra cost.