Is Mark McGwire #324 worth grading?
Baseball · Baseball Cards 1991 Score · full price guide →
Strong grading candidate — 120× premium in PSA 10
A PSA 10 Mark McGwire #324 sells for $162 against $1.35 raw: a $161 spread, 120× the ungraded price. A PSA 9 ($12.14) 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)
- $1.35
- PSA 10
- $162
- PSA 9
- $12.14
- Gem premium
- 120×
- 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 | $162 | +$136 | +$111 | +$10.91 |
| PSA 9 | $12.14 | −$14.21 | −$39.21 | −$139 |
| PSA 8 | $6.50 | −$19.85 | −$44.85 | −$145 |
Net = sale price − $1.35 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% | $49.67 | −$1.68 |
| 50% | $87.20 | +$35.85 |
| 75% | $125 | +$73.38 |
Break-even gem rate at the standard fee: about 26%. 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 | $211 | best | 55/45 | 70/30 |
| PSA 10 | $162 | −$48.74 | 55/45 | 75/25 |
| CGC 10 | $97.00 | −$114 | 55/45 | 75/25 |
| SGC 10 | $97.00 | −$114 | 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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Grading Mark McGwire #324 — FAQ
Is Mark McGwire #324 worth grading?
A PSA 10 Mark McGwire #324 sells for $162 against $1.35 raw: a $161 spread, 120× the ungraded price. A PSA 9 ($12.14) 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 Mark McGwire #324 worth compared with raw?
A PSA 10 Mark McGwire #324 (Baseball Cards 1991 Score) sells for about $162 versus $1.35 for a raw near-mint copy — a 120× premium as of Sep 4, 2026.
Which grading company is best for Mark McGwire #324?
By resale value, BGS 10 leads at $211, ahead of PSA 10 at $162. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Mark McGwire #324 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 Mark McGwire #324 break even?
At a standard ~$50 fee, submitting Mark McGwire #324 breaks even when it gems about 26% of the time (a miss assumed to sell at the PSA 9 price of $12.14).
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