Professor's Research (Professor Oak) Price Guide
Celebrations · Rare Holo · Released 2021
Market values below come from real eBay sold listings and are refreshed daily. Grading is the single biggest value lever — check the raw-to-PSA-10 gap, then scan your copy with Midpoint to see if its centering makes the grade.
Current prices
Raw (ungraded)
| NM | $0.18 |
| LP | $0.37 |
| MP | $0.20 |
| HP | $0.31 |
| DM | $0.08 |
Graded
| PSA 10 | $253 |
| PSA 9 | $13.62 |
| PSA 8.5 | $12.50 |
| PSA 8 | $15.21 |
| PSA 7 | $5.45 |
| PSA 6 | $7.78 |
| PSA 5 | $7.79 |
Last updated 2026-07-10 · Source: eBay sold listings via Scrydex
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