Compare Harmon Killebrew 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 | $11.46 | — |
| PSA 8 | $238.00 | +1977% |
| PSA 9 | $2750.00 | +23897% |
| PSA 10 Gem Mint | $3300.00 | +28696% |
Frequently Asked Questions
Is Harmon Killebrew worth grading? A PSA 10 Harmon Killebrew is worth $3300.00 vs $11.46 raw — a 28696% premium.
What is Harmon Killebrew PSA 10 worth? $3300.00 as of October 2026.