PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $0.27 |
| PSA 8 | $12.5 |
| PSA 9 | $13.78 |
| PSA 10 | $17.6 |
| BGS 10 | $23 |
| CGC 10 | $10.99 |
| SGC 10 | $10.5 |
Market context: ungraded price -28.9% over 30 days. +8.0% over 90 days. PSA 10 premium: 65.2× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-silver-tempest/pokemon-silver-tempest-earthen-seal-stone-154