Midpoint - Card Centering Tool

Is Piston PETE #498b worth grading?

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Strong grading candidate — 21× premium in PSA 10

A PSA 10 Piston PETE #498b sells for $44.41 against $2.09 raw: a $42.32 spread, 21× the ungraded price. A PSA 9 ($15.50) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.

Raw (NM)
$2.09
PSA 10
$44.41
PSA 9
$15.50
Gem premium
21×
As of
Aug 16, 2026

Break-even by outcome and fee

Piston PETE #498b: 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 — PSA 10$44.41+$17.32−$7.68−$108
PSA 9$15.50−$11.59−$36.59−$137

Net = sale price − $2.09 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?

Piston PETE #498b: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$22.73−$29.36
50%$29.95−$22.14
75%$37.18−$14.91

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

Which grader pays the most — and what a 10 takes

All centering standards
Piston PETE #498b: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$58.00best55/4570/30
PSA 10$44.41−$13.5955/4575/25
CGC 10$27.00−$31.0055/4575/25
SGC 10$27.00−$31.0055/4575/25

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.

Piston PETE #498b graded prices by company and grade
GradePSACGCBGSSGCGraded
10$44.41$27.00$58.00$27.00
9.5$17.00
9$15.50

Run your own numbers

Should I pay this?

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

Other 1988 Garbage Pail Kids cards worth checking

Full set checklist

Grading Piston PETE #498b — FAQ

Is Piston PETE #498b worth grading?

A PSA 10 Piston PETE #498b sells for $44.41 against $2.09 raw: a $42.32 spread, 21× the ungraded price. A PSA 9 ($15.50) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.

How much is a PSA 10 Piston PETE #498b worth compared with raw?

A PSA 10 Piston PETE #498b (1988 Garbage Pail Kids) sells for about $44.41 versus $2.09 for a raw near-mint copy — a 21× premium as of Aug 16, 2026.

Which grading company is best for Piston PETE #498b?

By resale value, BGS 10 leads at $58.00, ahead of PSA 10 at $44.41. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Piston PETE #498b 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.

Is your Garbage Pail Kids card centered well enough to grade?

Centering makes or breaks a PSA 10. Scan any card with Midpoint to measure its exact centering, get a grade estimate, and see what your copy is actually worth.

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