PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $16.77 |
| PSA 7 | $22.69 |
| PSA 8 | $44.04 |
| PSA 9 | $66.79 |
| PSA 10 | $346.55 |
| BGS 10 | $451 |
| CGC 10 | $208 |
| SGC 10 | $208 |
Market context: ungraded price +29.5% over 30 days. +52.5% over 90 days. PSA 10 premium: 20.7× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-topsun/pokemon-japanese-topsun-grimer-blue-back-88