![Mark McGwire [Highlights] #659 (Baseball Cards 1988 Score) — is it worth grading?](https://i.ebayimg.com/images/g/mW4AAOSwpdphW~Av/s-l1600.jpg)
Is Mark McGwire [Highlights] #659 worth grading?
Baseball · Baseball Cards 1988 Score · full price guide →
Strong grading candidate — 42× premium in PSA 10
A PSA 10 Mark McGwire [Highlights] #659 sells for $56.34 against $1.34 raw: a $55.00 spread, 42× the ungraded price. A PSA 9 ($5.23) 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)
- $1.34
- PSA 10
- $56.34
- PSA 9
- $5.23
- Gem premium
- 42×
- As of
- Jul 11, 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 | $56.34 | +$30.00 | +$5.00 | −$95.00 |
| PSA 9 | $5.23 | −$21.11 | −$46.11 | −$146 |
| PSA 8 | $2.38 | −$23.96 | −$48.96 | −$149 |
Net = sale price − $1.34 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% | $18.01 | −$33.33 |
| 50% | $30.79 | −$20.55 |
| 75% | $43.56 | −$7.78 |
Break-even gem rate at the standard fee: about 90%. 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 | $73.00 | best | 55/45 | 70/30 |
| PSA 10 | $56.34 | −$16.66 | 55/45 | 75/25 |
| CGC 10 | $34.00 | −$39.00 | 55/45 | 75/25 |
| SGC 10 | $34.00 | −$39.00 | 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.
Full grade ladder
Raw conditions & history →| Grade | PSA | CGC | BGS | SGC | Graded |
|---|---|---|---|---|---|
| 10 | $56.34 | $34.00 | $73.00 | $34.00 | — |
| 9.5 | — | — | — | — | $38.26 |
| 9 | — | — | — | — | $5.23 |
| 8 | — | — | — | — | $2.38 |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
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Grading Mark McGwire [Highlights] #659 — FAQ
Is Mark McGwire [Highlights] #659 worth grading?
A PSA 10 Mark McGwire [Highlights] #659 sells for $56.34 against $1.34 raw: a $55.00 spread, 42× the ungraded price. A PSA 9 ($5.23) 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 [Highlights] #659 worth compared with raw?
A PSA 10 Mark McGwire [Highlights] #659 (Baseball Cards 1988 Score) sells for about $56.34 versus $1.34 for a raw near-mint copy — a 42× premium as of Jul 11, 2026.
Which grading company is best for Mark McGwire [Highlights] #659?
By resale value, BGS 10 leads at $73.00, ahead of PSA 10 at $56.34. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Mark McGwire [Highlights] #659 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 [Highlights] #659 break even?
At a standard ~$50 fee, submitting Mark McGwire [Highlights] #659 breaks even when it gems about 90% of the time (a miss assumed to sell at the PSA 9 price of $5.23).
Is your baseball card centered well enough to grade?
Centering makes or breaks a PSA 10. Scan any card with Midpoint to measure its exact centering, get a grade estimate, and see what your copy is actually worth.
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