![Brevin Knight [Refractor] #SB29 (Basketball Cards 1998 Topps Chrome Season's Best) — is it worth grading?](https://i.ebayimg.com/images/g/xDQAAeSwd6Fp0EEI/s-l1600.jpg)
Is Brevin Knight [Refractor] #SB29 worth grading?
Basketball · Basketball Cards 1998 Topps Chrome Season's Best · full price guide →
Strong grading candidate — 52× premium in PSA 10
A PSA 10 Brevin Knight [Refractor] #SB29 sells for $75.44 against $1.45 raw: a $73.99 spread, 52× the ungraded price. A PSA 9 ($18.01) 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)
- $1.45
- PSA 10
- $75.44
- PSA 9
- $18.01
- Gem premium
- 52×
- As of
- Sep 4, 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 | $75.44 | +$48.99 | +$23.99 | −$76.01 |
| PSA 9 | $18.01 | −$8.44 | −$33.44 | −$133 |
| PSA 8 | $8.98 | −$17.47 | −$42.47 | −$142 |
Net = sale price − $1.45 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% | $32.37 | −$19.08 |
| 50% | $46.73 | −$4.73 |
| 75% | $61.08 | +$9.63 |
Break-even gem rate at the standard fee: about 58%. 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 | $98.00 | best | 55/45 | 70/30 |
| PSA 10 | $75.44 | −$22.56 | 55/45 | 75/25 |
| CGC 10 | $45.00 | −$53.00 | 55/45 | 75/25 |
| SGC 10 | $45.00 | −$53.00 | 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.
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Should I pay this?
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Other 1998 Topps Chrome Season's Best cards worth checking
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Grading Brevin Knight [Refractor] #SB29 — FAQ
Is Brevin Knight [Refractor] #SB29 worth grading?
A PSA 10 Brevin Knight [Refractor] #SB29 sells for $75.44 against $1.45 raw: a $73.99 spread, 52× the ungraded price. A PSA 9 ($18.01) 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 Brevin Knight [Refractor] #SB29 worth compared with raw?
A PSA 10 Brevin Knight [Refractor] #SB29 (Basketball Cards 1998 Topps Chrome Season's Best) sells for about $75.44 versus $1.45 for a raw near-mint copy — a 52× premium as of Sep 4, 2026.
Which grading company is best for Brevin Knight [Refractor] #SB29?
By resale value, BGS 10 leads at $98.00, ahead of PSA 10 at $75.44. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Brevin Knight [Refractor] #SB29 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 Brevin Knight [Refractor] #SB29 break even?
At a standard ~$50 fee, submitting Brevin Knight [Refractor] #SB29 breaks even when it gems about 58% of the time (a miss assumed to sell at the PSA 9 price of $18.01).
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