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 | $8.24 | — |
| PSA 8 | $102.61 | +1145% |
| PSA 9 | $281.12 | +3312% |
| PSA 10 Gem Mint | $2245.07 | +27146% |
Frequently Asked Questions
Is Harmon Killebrew worth grading? A PSA 10 Harmon Killebrew is worth $2245.07 vs $8.24 raw — a 27146% premium.
What is Harmon Killebrew PSA 10 worth? $2245.07 as of September 2026.