Is Tim Duncan #37 worth grading?
Basketball · Basketball Cards 1997 Spx · full price guide →
Worth grading — even a PSA 9 beats raw
A PSA 10 Tim Duncan #37 sells for $400 against $7.27 raw: a $393 spread, 55× the ungraded price. Even a PSA 9 ($45.05) 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)
- $7.27
- PSA 10
- $400
- PSA 9
- $45.05
- Gem premium
- 55×
- 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 | $400 | +$368 | +$343 | +$243 |
| PSA 9 | $45.05 | +$12.78 | −$12.22 | −$112 |
| PSA 8 | $20.93 | −$11.34 | −$36.34 | −$136 |
Net = sale price − $7.27 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% | $134 | +$76.53 |
| 50% | $223 | +$165 |
| 75% | $311 | +$254 |
Break-even gem rate at the standard fee: about 3%. 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 | $520 | best | 55/45 | 70/30 |
| PSA 10 | $400 | −$120 | 55/45 | 75/25 |
| CGC 10 | $240 | −$280 | 55/45 | 75/25 |
| SGC 10 | $240 | −$280 | 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 | $400 | $240 | $520 | $240 | — |
| 9.5 | — | — | — | — | $141 |
| 9 | — | — | — | — | $45.05 |
| 8 | — | — | — | — | $20.93 |
| 7 | — | — | — | — | $12.80 |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other 1997 Spx cards worth checking
Full set checklist →![Tim Duncan [Bronze] #37 1997 Spx card](https://i.ebayimg.com/images/g/HWYAAeSw9gVqN3tj/s-l500.jpg)
![Tim Duncan [Sky] #37 1997 Spx card](https://i.ebayimg.com/images/g/BhEAAeSwHpNp-dtj/s-l500.jpg)
![Michael Jordan [Sky] #6 1997 Spx card](https://i.ebayimg.com/images/g/YoAAAeSwbSBp0u9c/s-l500.jpg)
![Tim Duncan [Gold] #37 1997 Spx card](https://i.ebayimg.com/images/g/UtoAAeSw3QtqUqVZ/s-l500.jpg)
Grading Tim Duncan #37 — FAQ
Is Tim Duncan #37 worth grading?
A PSA 10 Tim Duncan #37 sells for $400 against $7.27 raw: a $393 spread, 55× the ungraded price. Even a PSA 9 ($45.05) 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 Tim Duncan #37 worth compared with raw?
A PSA 10 Tim Duncan #37 (Basketball Cards 1997 Spx) sells for about $400 versus $7.27 for a raw near-mint copy — a 55× premium as of Jul 11, 2026.
Which grading company is best for Tim Duncan #37?
By resale value, BGS 10 leads at $520, ahead of PSA 10 at $400. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Tim Duncan #37 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 Tim Duncan #37 break even?
At a standard ~$50 fee, submitting Tim Duncan #37 breaks even when it gems about 3% of the time (a miss assumed to sell at the PSA 9 price of $45.05).
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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