Compare Coby Mayo [Sparkle Refractor] 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 | $7.27 | — |
| PSA 10 Gem Mint | $17.50 | +141% |
Frequently Asked Questions
Is Coby Mayo [Sparkle Refractor] worth grading? A PSA 10 Coby Mayo [Sparkle Refractor] is worth $17.50 vs $7.27 raw — a 141% premium.
What is Coby Mayo [Sparkle Refractor] PSA 10 worth? $17.50 as of October 2026.