Compare Harvey Kuenn [Gray Back] 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 | $4.50 | — |
| PSA 8 | $140.99 | +3033% |
| PSA 9 | $1260.00 | +27900% |
| PSA 10 Gem Mint | $1512.00 | +33500% |
Frequently Asked Questions
Is Harvey Kuenn [Gray Back] worth grading? A PSA 10 Harvey Kuenn [Gray Back] is worth $1512.00 vs $4.50 raw — a 33500% premium.
What is Harvey Kuenn [Gray Back] PSA 10 worth? $1512.00 as of September 2026.