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Is Mike Lum #266 worth grading?

Baseball · Baseball Cards 1973 Topps · full price guide →

Strong grading candidate — 270× premium in PSA 10

A PSA 10 Mike Lum #266 sells for $405 against $1.50 raw: a $403 spread, 270× the ungraded price. A PSA 9 ($26.06) 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)
$1.50
PSA 10
$405
PSA 9
$26.06
Gem premium
270×
As of
Sep 3, 2026

Break-even by outcome and fee

Mike Lum #266: 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$405+$378+$353+$253
PSA 9$26.06−$0.44−$25.44−$125
PSA 8$19.88−$6.62−$31.62−$132

Net = sale price − $1.50 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?

Mike Lum #266: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$121+$69.29
50%$216+$164
75%$310+$259

Break-even gem rate at the standard fee: about 7%. 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
Mike Lum #266: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$526best55/4570/30
PSA 10$405−$12155/4575/25
CGC 10$243−$28355/4575/25
SGC 10$243−$28355/4575/25

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.

Mike Lum #266 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$405$243$526$243
9.5$81.61
9$26.06
8$19.88
7$4.64

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Grading Mike Lum #266 — FAQ

Is Mike Lum #266 worth grading?

A PSA 10 Mike Lum #266 sells for $405 against $1.50 raw: a $403 spread, 270× the ungraded price. A PSA 9 ($26.06) 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 Mike Lum #266 worth compared with raw?

A PSA 10 Mike Lum #266 (Baseball Cards 1973 Topps) sells for about $405 versus $1.50 for a raw near-mint copy — a 270× premium as of Sep 3, 2026.

Which grading company is best for Mike Lum #266?

By resale value, BGS 10 leads at $526, ahead of PSA 10 at $405. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Mike Lum #266 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 Mike Lum #266 break even?

At a standard ~$50 fee, submitting Mike Lum #266 breaks even when it gems about 7% of the time (a miss assumed to sell at the PSA 9 price of $26.06).

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