Compare Duffy Dyer 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 | $2.26 | — |
| PSA 8 | $17.65 | +681% |
| PSA 9 | $28.68 | +1169% |
| PSA 10 Gem Mint | $243.02 | +10653% |
Frequently Asked Questions
Is Duffy Dyer worth grading? A PSA 10 Duffy Dyer is worth $243.02 vs $2.26 raw — a 10653% premium.
What is Duffy Dyer PSA 10 worth? $243.02 as of September 2026.