Compare Herm Winningham [Error] 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 | $4.84 | — |
| PSA 9 | $26.50 | +448% |
| PSA 10 Gem Mint | $32.49 | +571% |
Frequently Asked Questions
Is Herm Winningham [Error] worth grading? A PSA 10 Herm Winningham [Error] is worth $32.49 vs $4.84 raw — a 571% premium.
What is Herm Winningham [Error] PSA 10 worth? $32.49 as of October 2026.