Compare Lefty Grove [Prism] 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 | $2.49 | — |
| PSA 8 | $7.25 | +191% |
| PSA 9 | $13.93 | +459% |
| PSA 10 Gem Mint | $41.42 | +1563% |
Frequently Asked Questions
Is Lefty Grove [Prism] worth grading? A PSA 10 Lefty Grove [Prism] is worth $41.42 vs $2.49 raw — a 1563% premium.
What is Lefty Grove [Prism] PSA 10 worth? $41.42 as of October 2026.