Is Stephon Marbury #G25 worth grading?
Basketball · Basketball Cards 1997 Topps Generations · full price guide →
Strong grading candidate — 35× premium in PSA 10
A PSA 10 Stephon Marbury #G25 sells for $174 against $4.99 raw: a $169 spread, 35× the ungraded price. A PSA 9 ($12.00) 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)
- $4.99
- PSA 10
- $174
- PSA 9
- $12.00
- Gem premium
- 35×
- 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 | $174 | +$144 | +$119 | +$19.40 |
| PSA 9 | $12.00 | −$17.99 | −$42.99 | −$143 |
| PSA 8 | $11.00 | −$18.99 | −$43.99 | −$144 |
Net = sale price − $4.99 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% | $52.60 | −$2.39 |
| 50% | $93.19 | +$38.20 |
| 75% | $134 | +$78.80 |
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 | $227 | best | 55/45 | 70/30 |
| PSA 10 | $174 | −$52.61 | 55/45 | 75/25 |
| CGC 10 | $105 | −$122 | 55/45 | 75/25 |
| SGC 10 | $105 | −$122 | 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 | $174 | $105 | $227 | $105 | — |
| 9.5 | — | — | — | — | $13.00 |
| 9 | — | — | — | — | $12.00 |
| 8 | — | — | — | — | $11.00 |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other 1997 Topps Generations cards worth checking
Full set checklist →
![Tim Duncan [Refractor] #G28 1997 Topps Generations card](https://i.ebayimg.com/images/g/VxUAAeSw529qVp1V/s-l500.jpg)
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Grading Stephon Marbury #G25 — FAQ
Is Stephon Marbury #G25 worth grading?
A PSA 10 Stephon Marbury #G25 sells for $174 against $4.99 raw: a $169 spread, 35× the ungraded price. A PSA 9 ($12.00) 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 Stephon Marbury #G25 worth compared with raw?
A PSA 10 Stephon Marbury #G25 (Basketball Cards 1997 Topps Generations) sells for about $174 versus $4.99 for a raw near-mint copy — a 35× premium as of Jul 11, 2026.
Which grading company is best for Stephon Marbury #G25?
By resale value, BGS 10 leads at $227, ahead of PSA 10 at $174. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Stephon Marbury #G25 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 Stephon Marbury #G25 break even?
At a standard ~$50 fee, submitting Stephon Marbury #G25 breaks even when it gems about 26% of the time (a miss assumed to sell at the PSA 9 price of $12.00).
Is your basketball 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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