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Is Sloane Stephens / Madison Keys #DA-SS worth grading?

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Worth grading — even a PSA 9 beats raw

A PSA 10 Sloane Stephens / Madison Keys #DA-SS sells for $274 against $65.00 raw: a $209 spread, 4.2× the ungraded price. Even a PSA 9 ($104) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.

Raw (NM)
$65.00
PSA 10
$274
PSA 9
$104
Gem premium
4.2×
As of
Sep 4, 2026

Break-even by outcome and fee

Sloane Stephens / Madison Keys #DA-SS: net result of grading versus selling raw, by outcome and fee tier
If it comes back…Sells forEconomy / bulk (~$25.00)Standard (~$50.00)Express (~$150)
Gem — PSA 10$274+$184+$159+$58.99
PSA 9$104+$14.06−$10.94−$111
PSA 8$61.37−$28.63−$53.63−$154

Net = sale price − $65.00 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?

Sloane Stephens / Madison Keys #DA-SS: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$147+$31.54
50%$189+$74.03
75%$232+$117

Break-even gem rate at the standard fee: about 6%. 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 →
Sloane Stephens / Madison Keys #DA-SS: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$356best55/4570/30
PSA 10$274−$82.0155/4575/25
CGC 10$164−$19255/4575/25
SGC 10$164−$19255/4575/25

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.

Sloane Stephens / Madison Keys #DA-SS graded prices by company and grade
GradePSACGCBGSSGCGraded
10$274$164$356$164—
9.5————$195
9————$104
8————$61.37

Swipe the table for the other grading companies →

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Grading Sloane Stephens / Madison Keys #DA-SS — FAQ

Is Sloane Stephens / Madison Keys #DA-SS worth grading?

A PSA 10 Sloane Stephens / Madison Keys #DA-SS sells for $274 against $65.00 raw: a $209 spread, 4.2× the ungraded price. Even a PSA 9 ($104) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.

How much is a PSA 10 Sloane Stephens / Madison Keys #DA-SS worth compared with raw?

A PSA 10 Sloane Stephens / Madison Keys #DA-SS (Tennis Cards 2024 Topps Royalty Dual Autograph) sells for about $274 versus $65.00 for a raw near-mint copy — a 4.2× premium as of Sep 4, 2026.

Which grading company is best for Sloane Stephens / Madison Keys #DA-SS?

By resale value, BGS 10 leads at $356, ahead of PSA 10 at $274. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Sloane Stephens / Madison Keys #DA-SS 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 Sloane Stephens / Madison Keys #DA-SS break even?

At a standard ~$50 fee, submitting Sloane Stephens / Madison Keys #DA-SS breaks even when it gems about 6% of the time (a miss assumed to sell at the PSA 9 price of $104).

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