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Is Dirk Nowitzki #18 worth grading?

Basketball · Basketball Cards 1999 SP Authentic · full price guide →

Grading rarely pays for this card

Grade 9.5 copies of Dirk Nowitzki #18 sell for $20.00, only $18.45 above the $1.55 raw price — less than an economy-tier grading fee. A PSA 9 ($17.95) only about breaks even after fees, so the case rests on gemming. Keep it raw unless you are grading for the slab itself.

Raw (NM)
$1.55
Grade 9.5
$20.00
PSA 9
$17.95
Gem premium
13×
As of
Sep 4, 2026

Break-even by outcome and fee

Dirk Nowitzki #18: 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 — Grade 9.5$20.00−$6.55−$31.55−$132
PSA 9$17.95−$8.60−$33.60−$134
PSA 8$4.76−$21.79−$46.79−$147

Net = sale price − $1.55 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?

Dirk Nowitzki #18: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$18.46−$33.09
50%$18.98−$32.58
75%$19.49−$32.06

At the standard fee this submission does not break even at any realistic gem rate unless the miss lands above the 9 price.

Dirk Nowitzki #18 graded prices by company and grade
GradeGraded
9.5$20.00
9$17.95
8$4.76
7$4.00

Run your own numbers

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Grading Dirk Nowitzki #18 — FAQ

Is Dirk Nowitzki #18 worth grading?

Grade 9.5 copies of Dirk Nowitzki #18 sell for $20.00, only $18.45 above the $1.55 raw price — less than an economy-tier grading fee. A PSA 9 ($17.95) only about breaks even after fees, so the case rests on gemming. Keep it raw unless you are grading for the slab itself.

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