![Shaquille O'Neal [Refractor] #G18 (Basketball Cards 1997 Topps Generations) — is it worth grading?](https://i.ebayimg.com/images/g/31cAAeSwsIxqVpsI/s-l1600.jpg)
Is Shaquille O'Neal [Refractor] #G18 worth grading?
Basketball · Basketball Cards 1997 Topps Generations · full price guide →
Worth grading — even a PSA 9 beats raw
A PSA 10 Shaquille O'Neal [Refractor] #G18 sells for $700 against $135 raw: a $565 spread, 5.2× the ungraded price. Even a PSA 9 ($281) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
- Raw (NM)
- $135
- PSA 10
- $700
- PSA 9
- $281
- Gem premium
- 5.2×
- 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 | $700 | +$540 | +$515 | +$415 |
| PSA 9 | $281 | +$120 | +$95.14 | −$4.86 |
| PSA 8 | $102 | −$58.13 | −$83.13 | −$183 |
Net = sale price − $135 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% | $385 | +$200 |
| 50% | $490 | +$305 |
| 75% | $595 | +$410 |
Even a miss (a 9) beats selling raw after the standard fee — the gem rate only decides how much you win by.
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 | $910 | best | 55/45 | 70/30 |
| PSA 10 | $700 | −$210 | 55/45 | 75/25 |
| CGC 10 | $420 | −$490 | 55/45 | 75/25 |
| SGC 10 | $420 | −$490 | 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 | $700 | $420 | $910 | $420 | — |
| 9.5 | — | — | — | — | $686 |
| 9 | — | — | — | — | $281 |
| 8 | — | — | — | — | $102 |
| 7 | — | — | — | — | $82.00 |
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)
Grading Shaquille O'Neal [Refractor] #G18 — FAQ
Is Shaquille O'Neal [Refractor] #G18 worth grading?
A PSA 10 Shaquille O'Neal [Refractor] #G18 sells for $700 against $135 raw: a $565 spread, 5.2× the ungraded price. Even a PSA 9 ($281) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
How much is a PSA 10 Shaquille O'Neal [Refractor] #G18 worth compared with raw?
A PSA 10 Shaquille O'Neal [Refractor] #G18 (Basketball Cards 1997 Topps Generations) sells for about $700 versus $135 for a raw near-mint copy — a 5.2× premium as of Jul 11, 2026.
Which grading company is best for Shaquille O'Neal [Refractor] #G18?
By resale value, BGS 10 leads at $910, ahead of PSA 10 at $700. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Shaquille O'Neal [Refractor] #G18 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 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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