PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $2.54 |
| PSA 7 | $9.5 |
| PSA 9 | $6.5 |
| PSA 10 | $263.5 |
| BGS 10 | $343 |
| CGC 10 | $158 |
| SGC 10 | $158 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-undone-seal/pokemon-japanese-undone-seal-relicanth-36