Is Cooper Flagg #SF-21 worth grading?
Basketball · Basketball Cards 2025 Topps Chrome Sleek Finishers · full price guide →
Strong grading candidate — 10× premium in PSA 10
A PSA 10 Cooper Flagg #SF-21 sells for $95.00 against $9.27 raw: a $85.73 spread, 10× the ungraded price. A PSA 9 ($30.76) 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)
- $9.27
- PSA 10
- $95.00
- PSA 9
- $30.76
- Gem premium
- 10×
- 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 | $95.00 | +$60.73 | +$35.73 | −$64.27 |
| PSA 9 | $30.76 | −$3.51 | −$28.51 | −$129 |
| PSA 8 | $16.27 | −$18.00 | −$43.00 | −$143 |
Net = sale price − $9.27 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% | $46.82 | −$12.45 |
| 50% | $62.88 | +$3.61 |
| 75% | $78.94 | +$19.67 |
Break-even gem rate at the standard fee: about 44%. 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 | $124 | best | 55/45 | 70/30 |
| SGC 10 | $120 | −$4.05 | 55/45 | 75/25 |
| PSA 10 | $95.00 | −$29.00 | 55/45 | 75/25 |
| CGC 10 | $57.00 | −$67.00 | 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?
Enter the seller’s asking price to see your net outcome per grade.
Other 2025 Topps Chrome Sleek Finishers cards worth checking
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![Stephen Curry [Refractor Gold] #SF-1 2025 Topps Chrome Sleek Finishers card](https://i.ebayimg.com/images/g/8rAAAeSwHQBqg6da/s-l500.jpg)
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Grading Cooper Flagg #SF-21 — FAQ
Is Cooper Flagg #SF-21 worth grading?
A PSA 10 Cooper Flagg #SF-21 sells for $95.00 against $9.27 raw: a $85.73 spread, 10× the ungraded price. A PSA 9 ($30.76) 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 Cooper Flagg #SF-21 worth compared with raw?
A PSA 10 Cooper Flagg #SF-21 (Basketball Cards 2025 Topps Chrome Sleek Finishers) sells for about $95.00 versus $9.27 for a raw near-mint copy — a 10× premium as of Sep 4, 2026.
Which grading company is best for Cooper Flagg #SF-21?
By resale value, BGS 10 leads at $124, ahead of SGC 10 at $120. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Cooper Flagg #SF-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.
What gem rate makes grading Cooper Flagg #SF-21 break even?
At a standard ~$50 fee, submitting Cooper Flagg #SF-21 breaks even when it gems about 44% of the time (a miss assumed to sell at the PSA 9 price of $30.76).
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