PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $5.13 |
| PSA 7 | $18.5 |
| PSA 8 | $25.25 |
| PSA 9 | $38.21 |
| PSA 10 | $325 |
| BGS 10 | $423 |
| CGC 10 | $104.99 |
| SGC 10 | $195 |
TCGplayer market price: $6.54 (as of 2026-07-05)
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-base-set/pokemon-base-set-imposter-professor-oak-73