Is Kemba Walker Blue Prizm #138 worth grading?
Basketball · Basketball Cards 2013 Panini Select · full price guide →
Strong grading candidate — 128× premium in BGS 10
A BGS 10 Kemba Walker Blue Prizm #138 sells for $360 against $2.82 raw: a $357 spread, 128× the ungraded price. A PSA 9 ($20.00) 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)
- $2.82
- BGS 10
- $360
- PSA 9
- $20.00
- Gem premium
- 128×
- 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 — BGS 10 | $360 | +$332 | +$307 | +$207 |
| PSA 9 | $20.00 | −$7.82 | −$32.82 | −$133 |
| PSA 8 | $2.47 | −$25.35 | −$50.35 | −$150 |
Net = sale price − $2.82 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% | $105 | +$52.18 |
| 50% | $190 | +$137 |
| 75% | $275 | +$222 |
Break-even gem rate at the standard fee: about 10%. 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 | $360 | best | 55/45 | 70/30 |
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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Raw conditions & history →Run your own numbers
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Grading Kemba Walker Blue Prizm #138 — FAQ
Is Kemba Walker Blue Prizm #138 worth grading?
A BGS 10 Kemba Walker Blue Prizm #138 sells for $360 against $2.82 raw: a $357 spread, 128× the ungraded price. A PSA 9 ($20.00) 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.
What centering does Kemba Walker Blue Prizm #138 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 Kemba Walker Blue Prizm #138 break even?
At a standard ~$50 fee, submitting Kemba Walker Blue Prizm #138 breaks even when it gems about 10% of the time (a miss assumed to sell at the PSA 9 price of $20.00).
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