Is Tim Duncan #12 worth grading?

Basketball · Basketball Cards 2018 Panini Donruss Optic Winner Stays · full price guide →

Grading rarely pays for this card

Grade 9.5 copies of Tim Duncan #12 sell for $8.00, only $6.13 above the $1.87 raw price — less than an economy-tier grading fee. A PSA 9 ($7.71) 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): $1.87
Grade 9.5: $8.00
PSA 9: $7.71
Gem premium: 4.3×
As of: Sep 4, 2026

Break-even by outcome and fee

Tim Duncan #12: net result of grading versus selling raw, by outcome and fee tier
If it comes back…	Sells for	Economy / bulk (~$25.00)	Standard (~$50.00)	Express (~$150)
Gem — Grade 9.5	$8.00	−$18.87	−$43.87	−$144
PSA 9	$7.71	−$19.16	−$44.16	−$144

Net = sale price − $1.87 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 #12: expected value of submitting by gem probability
Chance it gems	Expected sale	Expected net (standard fee)
25%	$7.78	−$44.09
50%	$7.86	−$44.02
75%	$7.93	−$43.94

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

Full grade ladder

Raw conditions & history →

Tim Duncan #12 graded prices by company and grade
Grade	Graded
9.5	$8.00
9	$7.71

Run your own numbers

Should I pay this?

Asking priceGrading fee

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

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