Compare John Mayberry 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 | $1.38 | — |
| PSA 9 | $8.13 | +489% |
| PSA 10 Gem Mint | $36.10 | +2516% |
Frequently Asked Questions
Is John Mayberry worth grading? A PSA 10 John Mayberry is worth $36.10 vs $1.38 raw — a 2516% premium.
What is John Mayberry PSA 10 worth? $36.10 as of September 2026.