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Is Ken Griffey Jr. [Electric Diamond] #MM10 worth grading?

Baseball · Baseball Cards 1994 Upper Deck Mickey Mantle Long Shots · full price guide →

Grading rarely pays for this card

Grade 9.5 copies of Ken Griffey Jr. [Electric Diamond] #MM10 sell for $32.00, only $17.15 above the $14.85 raw price — less than an economy-tier grading fee. A PSA 9 ($29.00) 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)
$14.85
Grade 9.5
$32.00
PSA 9
$29.00
Gem premium
2.2×
As of
Sep 4, 2026

Break-even by outcome and fee

Ken Griffey Jr. [Electric Diamond] #MM10: 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$32.00−$7.85−$32.85−$133
PSA 9$29.00−$10.85−$35.85−$136
PSA 8$26.00−$13.85−$38.85−$139

Net = sale price − $14.85 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?

Ken Griffey Jr. [Electric Diamond] #MM10: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$29.75−$35.10
50%$30.50−$34.35
75%$31.25−$33.60

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

Ken Griffey Jr. [Electric Diamond] #MM10 graded prices by company and grade
GradeGraded
9.5$32.00
9$29.00
8$26.00

Run your own numbers

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Grading Ken Griffey Jr. [Electric Diamond] #MM10 — FAQ

Is Ken Griffey Jr. [Electric Diamond] #MM10 worth grading?

Grade 9.5 copies of Ken Griffey Jr. [Electric Diamond] #MM10 sell for $32.00, only $17.15 above the $14.85 raw price — less than an economy-tier grading fee. A PSA 9 ($29.00) 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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