PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $1.94 |
| PSA 7 | $4.88 |
| PSA 8 | $12.74 |
| PSA 9 | $30.5 |
| PSA 10 | $270 |
| BGS 10 | $351 |
| CGC 10 | $41.99 |
| SGC 10 | $162 |
TCGplayer market price: $1.89 (as of 2026-08-29)
Market context: ungraded price -3.5% over 30 days. -13.8% over 90 days. PSA 10 premium: 139.2× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-expedition/pokemon-expedition-professor-oak-s-research-149