Compare John Curtis 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 | $0.92 | — |
| PSA 8 | $7.72 | +739% |
| PSA 9 | $10.71 | +1064% |
| PSA 10 Gem Mint | $30.99 | +3268% |
Frequently Asked Questions
Is John Curtis worth grading? A PSA 10 John Curtis is worth $30.99 vs $0.92 raw — a 3268% premium.
What is John Curtis PSA 10 worth? $30.99 as of September 2026.