PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $3.69 |
| PSA 8 | $16.5 |
| PSA 9 | $40.22 |
| PSA 10 | $48 |
| BGS 10 | $62 |
| CGC 10 | $29 |
| SGC 10 | $29 |
TCGplayer market price: $9 (as of 2026-10-20)
Market context: ungraded price +23.8% over 30 days. +15.7% over 90 days. PSA 10 premium: 13.0× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-undone-seal/pokemon-japanese-undone-seal-gulpin-13