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 | $1.07 | — |
| PSA 8 | $8.45 | +690% |
| PSA 9 | $17.75 | +1559% |
| PSA 10 Gem Mint | $19.72 | +1743% |
Frequently Asked Questions
Is Keith Hernandez worth grading? A PSA 10 Keith Hernandez is worth $19.72 vs $1.07 raw — a 1743% premium.
What is Keith Hernandez PSA 10 worth? $19.72 as of November 2026.