PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $5.79 |
| PSA 7 | $12 |
| PSA 8 | $15 |
| PSA 9 | $17 |
| PSA 10 | $239.39 |
| BGS 10 | $311 |
| CGC 10 | $65.47 |
| SGC 10 | $144 |
Market context: ungraded price +0.9% over 30 days. -3.3% over 90 days. PSA 10 premium: 41.3× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-blue-shock/pokemon-japanese-blue-shock-mewtwo-spirit-link-1st-edition-56