Compare Jim Kaat 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 | $4.74 | — |
| PSA 8 | $152.00 | +3107% |
| PSA 9 | $419.05 | +8741% |
| PSA 10 Gem Mint | $3660.00 | +77115% |
Frequently Asked Questions
Is Jim Kaat worth grading? A PSA 10 Jim Kaat is worth $3660.00 vs $4.74 raw — a 77115% premium.
What is Jim Kaat PSA 10 worth? $3660.00 as of September 2026.