PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $11.94 |
| PSA 7 | $9 |
| PSA 8 | $11.07 |
| PSA 9 | $28.12 |
| PSA 10 | $217.86 |
| BGS 10 | $283 |
| CGC 10 | $131 |
| SGC 10 | $131 |
Market context: ungraded price +9.2% over 30 days. +3.8% over 90 days. PSA 10 premium: 18.2× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-undone-seal/pokemon-japanese-undone-seal-machamp-51