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Is Harmon Killebrew worth grading?

Baseball · Baseball Cards 1998 Donruss Significant Signatures · full price guide →

Worth grading only if it gems

A Grade 9.5 Harmon Killebrew brings $64.00 versus $33.63 raw — a $30.37 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($58.26) only about breaks even after fees, so the case rests on gemming.

Raw (NM)
$33.63
Grade 9.5
$64.00
PSA 9
$58.26
Gem premium
1.9×
As of
Sep 4, 2026

Break-even by outcome and fee

Harmon Killebrew: 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$64.00+$5.37−$19.63−$120
PSA 9$58.26−$0.37−$25.37−$125
PSA 8$31.41−$27.22−$52.22−$152

Net = sale price − $33.63 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?

Harmon Killebrew: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$59.70−$23.94
50%$61.13−$22.50
75%$62.56−$21.07

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

Harmon Killebrew graded prices by company and grade
GradeGraded
9.5$64.00
9$58.26
8$31.41

Run your own numbers

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Grading Harmon Killebrew — FAQ

Is Harmon Killebrew worth grading?

A Grade 9.5 Harmon Killebrew brings $64.00 versus $33.63 raw — a $30.37 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($58.26) only about breaks even after fees, so the case rests on gemming.

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