Compare Keith Hernandez 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 | $1.18 | — |
| PSA 8 | $8.22 | +597% |
| PSA 9 | $17.24 | +1361% |
| PSA 10 Gem Mint | $25.99 | +2103% |
Frequently Asked Questions
Is Keith Hernandez worth grading? A PSA 10 Keith Hernandez is worth $25.99 vs $1.18 raw — a 2103% premium.
What is Keith Hernandez PSA 10 worth? $25.99 as of September 2026.