PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $4.99 |
| PSA 7 | $39.99 |
| PSA 10 | $82 |
| BGS 10 | $107 |
| CGC 10 | $49 |
| SGC 10 | $49 |
TCGplayer market price: $15 (as of 2026-07-05)
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-undone-seal/pokemon-japanese-undone-seal-walrein-1st-edition-32