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 | $1.62 | — |
| PSA 8 | $10.68 | +559% |
| PSA 9 | $12.05 | +644% |
| PSA 10 Gem Mint | $36.50 | +2153% |
Frequently Asked Questions
Is Keith Hernandez worth grading? A PSA 10 Keith Hernandez is worth $36.50 vs $1.62 raw — a 2153% premium.
What is Keith Hernandez PSA 10 worth? $36.50 as of September 2026.