Compare Michael Kopech [Sepia Refractor] 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 | $1.39 | — |
| PSA 9 | $0.99 | +-29% |
| PSA 10 Gem Mint | $16.00 | +1051% |
Frequently Asked Questions
Is Michael Kopech [Sepia Refractor] worth grading? A PSA 10 Michael Kopech [Sepia Refractor] is worth $16.00 vs $1.39 raw — a 1051% premium.
What is Michael Kopech [Sepia Refractor] PSA 10 worth? $16.00 as of October 2026.