PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $3.58 |
| PSA 9 | $43.11 |
| PSA 10 | $136.76 |
| BGS 10 | $178 |
| CGC 10 | $82 |
| SGC 10 | $82 |
TCGplayer market price: $9 (as of 2026-08-29)
Market context: ungraded price -6.8% over 30 days. +19.7% over 90 days. PSA 10 premium: 38.2× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-undone-seal/pokemon-japanese-undone-seal-chinchou-1st-edition-42