Compare John Denny 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 | $1.40 | — |
| PSA 9 | $3.94 | +181% |
| PSA 10 Gem Mint | $49.99 | +3471% |
Frequently Asked Questions
Is John Denny worth grading? A PSA 10 John Denny is worth $49.99 vs $1.40 raw — a 3471% premium.
What is John Denny PSA 10 worth? $49.99 as of October 2026.