Compare Mark McGwire [Ruby Wave] 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 | $2.25 | — |
| PSA 8 | $6.96 | +209% |
| PSA 9 | $13.21 | +487% |
| PSA 10 Gem Mint | $37.91 | +1585% |
Frequently Asked Questions
Is Mark McGwire [Ruby Wave] worth grading? A PSA 10 Mark McGwire [Ruby Wave] is worth $37.91 vs $2.25 raw — a 1585% premium.
What is Mark McGwire [Ruby Wave] PSA 10 worth? $37.91 as of October 2026.