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Tim Duncan [Atomic Refractor] #92 (Basketball Cards 1999 Bowman's Best) — is it worth grading?

Is Tim Duncan [Atomic Refractor] #92 worth grading?

Basketball · Basketball Cards 1999 Bowman's Best · full price guide →

Strong grading candidate — 4.9× premium in BGS 10

A BGS 10 Tim Duncan [Atomic Refractor] #92 sells for $1,960 against $400 raw: a $1,560 spread, 4.9× the ungraded price. A PSA 9 ($320) sells for less than raw, so anything short of a 10 loses money. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.

Raw (NM)
$400
BGS 10
$1,960
PSA 9
$320
Gem premium
4.9×
As of
Sep 4, 2026

Break-even by outcome and fee

Tim Duncan [Atomic Refractor] #92: 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 — BGS 10$1,960+$1,535+$1,510+$1,410
PSA 9$320−$105−$130−$230
PSA 8$223−$202−$227−$327

Net = sale price − $400 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?

Tim Duncan [Atomic Refractor] #92: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$730+$280
50%$1,140+$690
75%$1,550+$1,100

Break-even gem rate at the standard fee: about 8%. 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 →
Tim Duncan [Atomic Refractor] #92: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$1,960best55/4570/30

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.

Tim Duncan [Atomic Refractor] #92 graded prices by company and grade
GradeBGSGraded
10$1,960—
9.5—$424
9—$320
8—$223

Run your own numbers

Should I pay this?

Enter the seller’s asking price to see your net outcome per grade.

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Grading Tim Duncan [Atomic Refractor] #92 — FAQ

Is Tim Duncan [Atomic Refractor] #92 worth grading?

A BGS 10 Tim Duncan [Atomic Refractor] #92 sells for $1,960 against $400 raw: a $1,560 spread, 4.9× the ungraded price. A PSA 9 ($320) sells for less than raw, so anything short of a 10 loses money. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.

What centering does Tim Duncan [Atomic Refractor] #92 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 Tim Duncan [Atomic Refractor] #92 break even?

At a standard ~$50 fee, submitting Tim Duncan [Atomic Refractor] #92 breaks even when it gems about 8% of the time (a miss assumed to sell at the PSA 9 price of $320).

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