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Is Ken Brett #557 worth grading?

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Worth grading — even a PSA 9 beats raw

A PSA 10 Ken Brett #557 sells for $225 against $1.33 raw: a $224 spread, 169× the ungraded price. Even a PSA 9 ($28.29) 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)
$1.33
PSA 10
$225
PSA 9
$28.29
Gem premium
169×
As of
Sep 3, 2026

Break-even by outcome and fee

Ken Brett #557: 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$225+$199+$174+$73.65
PSA 9$28.29+$1.96−$23.04−$123
PSA 8$17.46−$8.87−$33.87−$134

Net = sale price − $1.33 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?

Ken Brett #557: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$77.46+$26.13
50%$127+$75.30
75%$176+$124

Break-even gem rate at the standard fee: about 12%. 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
Ken Brett #557: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$292best55/4570/30
PSA 10$225−$67.0255/4575/25
CGC 10$135−$15755/4575/25
SGC 10$135−$15755/4575/25

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.

Ken Brett #557 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$225$135$292$135
9.5$57.30
9$28.29
8$17.46

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Grading Ken Brett #557 — FAQ

Is Ken Brett #557 worth grading?

A PSA 10 Ken Brett #557 sells for $225 against $1.33 raw: a $224 spread, 169× the ungraded price. Even a PSA 9 ($28.29) 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 Ken Brett #557 worth compared with raw?

A PSA 10 Ken Brett #557 (Baseball Cards 1979 Topps) sells for about $225 versus $1.33 for a raw near-mint copy — a 169× premium as of Sep 3, 2026.

Which grading company is best for Ken Brett #557?

By resale value, BGS 10 leads at $292, ahead of PSA 10 at $225. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Ken Brett #557 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 Ken Brett #557 break even?

At a standard ~$50 fee, submitting Ken Brett #557 breaks even when it gems about 12% of the time (a miss assumed to sell at the PSA 9 price of $28.29).

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