PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $6.15 |
| PSA 7 | $16 |
| PSA 8 | $20 |
| PSA 9 | $40 |
| PSA 10 | $245.25 |
| BGS 10 | $319 |
| CGC 10 | $147 |
| SGC 10 | $147 |
Market context: ungraded price -0.8% over 30 days. +11.0% over 90 days. PSA 10 premium: 39.9× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-topsun/pokemon-japanese-topsun-cloyster-green-back-91