PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $6.54 |
| PSA 7 | $15.02 |
| PSA 8 | $17.56 |
| PSA 9 | $70.41 |
| PSA 10 | $87 |
| BGS 10 | $113 |
| CGC 10 | $52 |
| SGC 10 | $52 |
TCGplayer market price: $8.4 (as of 2026-08-29)
Market context: ungraded price +34.6% over 30 days. +13.0% over 90 days. PSA 10 premium: 13.3× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-undone-seal/pokemon-japanese-undone-seal-walrein-32