Is Stephen Curry [Purple Shimmer] #13 worth grading?
Basketball · Basketball Cards 2024 Panini Donruss Optic Express Lane · full price guide →
Strong grading candidate — 6.0× premium in PSA 10
A PSA 10 Stephen Curry [Purple Shimmer] #13 sells for $81.61 against $13.51 raw: a $68.10 spread, 6.0× the ungraded price. A PSA 9 ($29.24) 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)
- $13.51
- PSA 10
- $81.61
- PSA 9
- $29.24
- Gem premium
- 6.0×
- 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 | $81.61 | +$43.10 | +$18.10 | −$81.90 |
| PSA 9 | $29.24 | −$9.27 | −$34.27 | −$134 |
| PSA 8 | $16.39 | −$22.12 | −$47.12 | −$147 |
Net = sale price − $13.51 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% | $42.33 | −$21.18 |
| 50% | $55.42 | −$8.09 |
| 75% | $68.52 | +$5.01 |
Break-even gem rate at the standard fee: about 65%. 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 | $106 | best | 55/45 | 70/30 |
| PSA 10 | $81.61 | −$24.39 | 55/45 | 75/25 |
| CGC 10 | $49.00 | −$57.00 | 55/45 | 75/25 |
| SGC 10 | $49.00 | −$57.00 | 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 Stephen Curry [Purple Shimmer] #13 — FAQ
Is Stephen Curry [Purple Shimmer] #13 worth grading?
A PSA 10 Stephen Curry [Purple Shimmer] #13 sells for $81.61 against $13.51 raw: a $68.10 spread, 6.0× the ungraded price. A PSA 9 ($29.24) 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 Stephen Curry [Purple Shimmer] #13 worth compared with raw?
A PSA 10 Stephen Curry [Purple Shimmer] #13 (Basketball Cards 2024 Panini Donruss Optic Express Lane) sells for about $81.61 versus $13.51 for a raw near-mint copy — a 6.0× premium as of Sep 4, 2026.
Which grading company is best for Stephen Curry [Purple Shimmer] #13?
By resale value, BGS 10 leads at $106, ahead of PSA 10 at $81.61. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Stephen Curry [Purple Shimmer] #13 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 Stephen Curry [Purple Shimmer] #13 break even?
At a standard ~$50 fee, submitting Stephen Curry [Purple Shimmer] #13 breaks even when it gems about 65% of the time (a miss assumed to sell at the PSA 9 price of $29.24).
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