Compare Ken Johnson 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 | $1.25 | — |
| PSA 8 | $21.24 | +1599% |
| PSA 9 | $47.13 | +3670% |
| PSA 10 Gem Mint | $1021.00 | +81580% |
Frequently Asked Questions
Is Ken Johnson worth grading? A PSA 10 Ken Johnson is worth $1021.00 vs $1.25 raw — a 81580% premium.
What is Ken Johnson PSA 10 worth? $1021.00 as of September 2026.