Compare Buster Posey [Emerald] values across different grades. See whether grading is worth it based on current prices and PSA gem rates.
Price by Grade
| Grade | Guardian Estimate | Premium vs Raw |
|---|
| Raw / Ungraded | $2.97 | — |
| PSA 8 | $7.61 | +156% |
| PSA 9 | $13.49 | +354% |
| PSA 10 Gem Mint | $37.73 | +1170% |
Frequently Asked Questions
Is Buster Posey [Emerald] worth grading? A PSA 10 Buster Posey [Emerald] is worth $37.73 vs $2.97 raw — a 1170% premium.
What is Buster Posey [Emerald] PSA 10 worth? $37.73 as of September 2026.