Is Marcelo Mayer #FC-MM worth grading?
Baseball · Baseball Cards 2023 Topps Pro Debut Future Cornerstones Autographs · full price guide →
Strong grading candidate — 3.4× premium in PSA 10
A PSA 10 Marcelo Mayer #FC-MM sells for $127 against $37.50 raw: a $89.50 spread, 3.4× the ungraded price. A PSA 9 ($58.43) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
- Raw (NM)
- $37.50
- PSA 10
- $127
- PSA 9
- $58.43
- Gem premium
- 3.4×
- As of
- Sep 4, 2026
Break-even by outcome and fee
| If it comes back… | Sells for | Economy / bulk (~$25.00) | Standard (~$50.00) | Express (~$150) |
|---|---|---|---|---|
| Gem — PSA 10 | $127 | +$64.50 | +$39.50 | −$60.50 |
| PSA 9 | $58.43 | −$4.07 | −$29.07 | −$129 |
| PSA 8 | $36.65 | −$25.85 | −$50.85 | −$151 |
Net = sale price − $37.50 raw value − fee. Fee tiers are illustrative; plug your grader's current price into the calculator below.
Expected value — how often does it need to gem?
| Chance it gems | Expected sale | Expected net (standard fee) |
|---|---|---|
| 25% | $75.57 | −$11.93 |
| 50% | $92.72 | +$5.22 |
| 75% | $110 | +$22.36 |
Break-even gem rate at the standard fee: about 42%. Centering is the usual reason a clean copy misses — measure it before you decide.
Which grader pays the most — and what a 10 takes
All centering standards →| Grader | 10 sells for | vs best | Front centering for a 10 | Back |
|---|---|---|---|---|
| BGS 10 | $165 | best | 55/45 | 70/30 |
| PSA 10 | $127 | −$38.00 | 55/45 | 75/25 |
| CGC 10 | $76.00 | −$89.00 | 55/45 | 75/25 |
| SGC 10 | $76.00 | −$89.00 | 55/45 | 75/25 |
Tolerances are each company's published centering standard for its top grade; surface, corners and edges must also be clean. Centering is the one you can measure yourself before you pay.
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Enter the seller’s asking price to see your net outcome per grade.
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Grading Marcelo Mayer #FC-MM — FAQ
Is Marcelo Mayer #FC-MM worth grading?
A PSA 10 Marcelo Mayer #FC-MM sells for $127 against $37.50 raw: a $89.50 spread, 3.4× the ungraded price. A PSA 9 ($58.43) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
How much is a PSA 10 Marcelo Mayer #FC-MM worth compared with raw?
A PSA 10 Marcelo Mayer #FC-MM (Baseball Cards 2023 Topps Pro Debut Future Cornerstones Autographs) sells for about $127 versus $37.50 for a raw near-mint copy — a 3.4× premium as of Sep 4, 2026.
Which grading company is best for Marcelo Mayer #FC-MM?
By resale value, BGS 10 leads at $165, ahead of PSA 10 at $127. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Marcelo Mayer #FC-MM need for a BGS 10?
BGS publishes 55/45 front and 70/30 back centering as the tolerance for a 10 (Gem Mint). Off-center copies are capped below the top grade regardless of surface — measure yours before paying the fee.
What gem rate makes grading Marcelo Mayer #FC-MM break even?
At a standard ~$50 fee, submitting Marcelo Mayer #FC-MM breaks even when it gems about 42% of the time (a miss assumed to sell at the PSA 9 price of $58.43).
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