Is Shawn Kemp [Purple Geometric Refractor] #SLS-SK worth grading?
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Strong grading candidate — 5.8× premium in PSA 10
A PSA 10 Shawn Kemp [Purple Geometric Refractor] #SLS-SK sells for $89.25 against $15.50 raw: a $73.75 spread, 5.8× the ungraded price. A PSA 9 ($26.00) 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)
- $15.50
- PSA 10
- $89.25
- PSA 9
- $26.00
- Gem premium
- 5.8×
- 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 | $89.25 | +$48.75 | +$23.75 | −$76.25 |
| PSA 9 | $26.00 | −$14.50 | −$39.50 | −$140 |
| PSA 8 | $18.49 | −$22.01 | −$47.01 | −$147 |
Net = sale price − $15.50 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% | $41.81 | −$23.69 |
| 50% | $57.63 | −$7.88 |
| 75% | $73.44 | +$7.94 |
Break-even gem rate at the standard fee: about 62%. 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 | $116 | best | 55/45 | 70/30 |
| PSA 10 | $89.25 | −$26.75 | 55/45 | 75/25 |
| CGC 10 | $54.00 | −$62.00 | 55/45 | 75/25 |
| SGC 10 | $54.00 | −$62.00 | 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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Grading Shawn Kemp [Purple Geometric Refractor] #SLS-SK — FAQ
Is Shawn Kemp [Purple Geometric Refractor] #SLS-SK worth grading?
A PSA 10 Shawn Kemp [Purple Geometric Refractor] #SLS-SK sells for $89.25 against $15.50 raw: a $73.75 spread, 5.8× the ungraded price. A PSA 9 ($26.00) 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.
How much is a PSA 10 Shawn Kemp [Purple Geometric Refractor] #SLS-SK worth compared with raw?
A PSA 10 Shawn Kemp [Purple Geometric Refractor] #SLS-SK (Basketball Cards 2024 Topps Chrome Sky-Light Signature) sells for about $89.25 versus $15.50 for a raw near-mint copy — a 5.8× premium as of Sep 4, 2026.
Which grading company is best for Shawn Kemp [Purple Geometric Refractor] #SLS-SK?
By resale value, BGS 10 leads at $116, ahead of PSA 10 at $89.25. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Shawn Kemp [Purple Geometric Refractor] #SLS-SK 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 Shawn Kemp [Purple Geometric Refractor] #SLS-SK break even?
At a standard ~$50 fee, submitting Shawn Kemp [Purple Geometric Refractor] #SLS-SK breaks even when it gems about 62% of the time (a miss assumed to sell at the PSA 9 price of $26.00).
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