PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $8.37 |
| PSA 7 | $15.02 |
| PSA 8 | $17.66 |
| PSA 9 | $71.94 |
| PSA 10 | $87 |
| BGS 10 | $113 |
| CGC 10 | $52 |
| SGC 10 | $52 |
TCGplayer market price: $8.26 (as of 2026-10-20)
Market context: ungraded price +28.4% over 30 days. +72.2% over 90 days. PSA 10 premium: 10.4× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-undone-seal/pokemon-japanese-undone-seal-walrein-32