PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $4.28 |
| PSA 7 | $33.48 |
| PSA 8 | $50.26 |
| PSA 9 | $76.18 |
| PSA 10 | $210 |
| BGS 10 | $273 |
| CGC 10 | $81.38 |
| SGC 10 | $126 |
TCGplayer market price: $4.45 (as of 2026-10-20)
Market context: ungraded price -2.5% over 30 days. -24.8% over 90 days. PSA 10 premium: 49.1× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-base-set/pokemon-base-set-professor-oak-shadowless-88