Is Tim Duncan #21 worth grading?
Basketball · Basketball Cards 2007 Topps Chrome · full price guide →
Strong grading candidate — 16× premium in PSA 10
A PSA 10 Tim Duncan #21 sells for $44.99 against $2.87 raw: a $42.12 spread, 16× the ungraded price. A PSA 9 ($20.25) 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)
- $2.87
- PSA 10
- $44.99
- PSA 9
- $20.25
- Gem premium
- 16×
- 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 | $44.99 | +$17.12 | −$7.88 | −$108 |
| PSA 9 | $20.25 | −$7.62 | −$32.62 | −$133 |
| PSA 8 | $7.90 | −$19.97 | −$44.97 | −$145 |
Net = sale price − $2.87 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% | $26.44 | −$26.43 |
| 50% | $32.62 | −$20.25 |
| 75% | $38.80 | −$14.06 |
At the standard fee this submission does not break even at any realistic gem rate unless the miss lands above the 9 price.
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 | $58.00 | best | 55/45 | 70/30 |
| PSA 10 | $44.99 | −$13.01 | 55/45 | 75/25 |
| CGC 10 | $27.00 | −$31.00 | 55/45 | 75/25 |
| SGC 10 | $27.00 | −$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 | $44.99 | $27.00 | $58.00 | $27.00 | — |
| 9.5 | — | — | — | — | $26.19 |
| 9 | — | — | — | — | $20.25 |
| 8 | — | — | — | — | $7.90 |
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 Tim Duncan #21 — FAQ
Is Tim Duncan #21 worth grading?
A PSA 10 Tim Duncan #21 sells for $44.99 against $2.87 raw: a $42.12 spread, 16× the ungraded price. A PSA 9 ($20.25) 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 Tim Duncan #21 worth compared with raw?
A PSA 10 Tim Duncan #21 (Basketball Cards 2007 Topps Chrome) sells for about $44.99 versus $2.87 for a raw near-mint copy — a 16× premium as of Jul 11, 2026.
Which grading company is best for Tim Duncan #21?
By resale value, BGS 10 leads at $58.00, ahead of PSA 10 at $44.99. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Tim Duncan #21 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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