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 | $2.25 | — |
| PSA 8 | $7.05 | +213% |
| PSA 9 | $13.60 | +504% |
| PSA 10 Gem Mint | $40.61 | +1705% |
Frequently Asked Questions
Is Marcus Semien [Negative Refractor] worth grading? A PSA 10 Marcus Semien [Negative Refractor] is worth $40.61 vs $2.25 raw — a 1705% premium.
What is Marcus Semien [Negative Refractor] PSA 10 worth? $40.61 as of November 2026.