![Mark McGwire [Player's Private Issue] #1 (Baseball Cards 1999 Topps Gallery) — is it worth grading?](https://i.ebayimg.com/images/g/OukAAeSw0-xqXWAX/s-l1600.jpg)
Is Mark McGwire [Player's Private Issue] #1 worth grading?
Baseball · Baseball Cards 1999 Topps Gallery · full price guide →
Worth grading only if it gems
A PSA 10 Mark McGwire [Player's Private Issue] #1 brings $44.00 versus $12.00 raw — a $32.00 spread that covers an economy-tier ~$25 grading fee. Without PSA 9 sales on record, budget for the fee being lost on a near-miss.
- Raw (NM)
- $12.00
- PSA 10
- $44.00
- Gem premium
- 3.7×
- 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 | $44.00 | +$7.00 | −$18.00 | −$118 |
| PSA 8 | $10.00 | −$27.00 | −$52.00 | −$152 |
Net = sale price − $12.00 raw value − fee. Fee tiers are illustrative; plug your grader's current price into the calculator below.
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 | $57.00 | best | 55/45 | 70/30 |
| PSA 10 | $44.00 | −$13.00 | 55/45 | 75/25 |
| CGC 10 | $26.00 | −$31.00 | 55/45 | 75/25 |
| SGC 10 | $26.00 | −$31.00 | 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 | $44.00 | $26.00 | $57.00 | $26.00 | — |
| 8 | — | — | — | — | $10.00 |
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 [Player's Private Issue] #1 — FAQ
Is Mark McGwire [Player's Private Issue] #1 worth grading?
A PSA 10 Mark McGwire [Player's Private Issue] #1 brings $44.00 versus $12.00 raw — a $32.00 spread that covers an economy-tier ~$25 grading fee. Without PSA 9 sales on record, budget for the fee being lost on a near-miss.
How much is a PSA 10 Mark McGwire [Player's Private Issue] #1 worth compared with raw?
A PSA 10 Mark McGwire [Player's Private Issue] #1 (Baseball Cards 1999 Topps Gallery) sells for about $44.00 versus $12.00 for a raw near-mint copy — a 3.7× premium as of Jul 11, 2026.
Which grading company is best for Mark McGwire [Player's Private Issue] #1?
By resale value, BGS 10 leads at $57.00, ahead of PSA 10 at $44.00. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Mark McGwire [Player's Private Issue] #1 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.
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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