Compare Marcus Semien [Negative 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 | $2.50 | — |
| PSA 8 | $7.10 | +184% |
| PSA 9 | $7.43 | +197% |
| PSA 10 Gem Mint | $37.78 | +1411% |
Frequently Asked Questions
Is Marcus Semien [Negative Refractor] worth grading? A PSA 10 Marcus Semien [Negative Refractor] is worth $37.78 vs $2.50 raw — a 1411% premium.
What is Marcus Semien [Negative Refractor] PSA 10 worth? $37.78 as of November 2026.