PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $4.29 |
| PSA 7 | $19.5 |
| PSA 8 | $26.53 |
| PSA 9 | $36.65 |
| PSA 10 | $157.5 |
| BGS 10 | $205 |
| CGC 10 | $58.5 |
| SGC 10 | $95 |
TCGplayer market price: $4.58 (as of 2026-10-20)
Market context: ungraded price +1.7% over 30 days. -12.4% over 90 days. PSA 10 premium: 36.7× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-gym-challenge/pokemon-gym-challenge-koga-s-grimer-1st-edition-78