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 | $1.52 | — |
| PSA 8 | $10.00 | +558% |
| PSA 9 | $17.49 | +1051% |
| PSA 10 Gem Mint | $40.69 | +2577% |
Frequently Asked Questions
Is Keith Hernandez worth grading? A PSA 10 Keith Hernandez is worth $40.69 vs $1.52 raw — a 2577% premium.
What is Keith Hernandez PSA 10 worth? $40.69 as of September 2026.