Compare Gus Zernial [Black Back] 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 | $35.00 | — |
| PSA 8 | $4880.00 | +13843% |
| PSA 9 | $5368.00 | +15237% |
| PSA 10 Gem Mint | $8597.94 | +24466% |
Frequently Asked Questions
Is Gus Zernial [Black Back] worth grading? A PSA 10 Gus Zernial [Black Back] is worth $8597.94 vs $35.00 raw — a 24466% premium.
What is Gus Zernial [Black Back] PSA 10 worth? $8597.94 as of November 2026.