PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $6.24 |
| PSA 7 | $19.99 |
| PSA 8 | $38 |
| PSA 9 | $64 |
| PSA 10 | $639.5 |
| BGS 10 | $831 |
| CGC 10 | $384 |
| SGC 10 | $384 |
Market context: ungraded price -17.5% over 30 days. -30.6% over 90 days. PSA 10 premium: 102.5× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-topsun/pokemon-japanese-topsun-dewgong-blue-back-87