Midpoint - Card Centering Tool

Is Gooey GWEN #538b worth grading?

Garbage Pail Kids · 1988 Garbage Pail Kids · full price guide →

Worth grading only if it gems

A PSA 10 Gooey GWEN #538b brings $41.75 versus $3.65 raw — a $38.10 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($16.50) only about breaks even after fees, so the case rests on gemming.

Raw (NM)
$3.65
PSA 10
$41.75
PSA 9
$16.50
Gem premium
11×
As of
Aug 16, 2026

Break-even by outcome and fee

Gooey GWEN #538b: 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$41.75+$13.10−$11.90−$112
PSA 9$16.50−$12.15−$37.15−$137

Net = sale price − $3.65 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?

Gooey GWEN #538b: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$22.81−$30.84
50%$29.13−$24.52
75%$35.44−$18.21

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
Gooey GWEN #538b: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$54.00best55/4570/30
PSA 10$41.75−$12.2555/4575/25
CGC 10$25.00−$29.0055/4575/25
SGC 10$25.00−$29.0055/4575/25

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.

Gooey GWEN #538b graded prices by company and grade
GradePSACGCBGSSGCGraded
10$41.75$25.00$54.00$25.00
9.5$18.00
9$16.50

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 Gooey GWEN #538b — FAQ

Is Gooey GWEN #538b worth grading?

A PSA 10 Gooey GWEN #538b brings $41.75 versus $3.65 raw — a $38.10 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($16.50) only about breaks even after fees, so the case rests on gemming.

How much is a PSA 10 Gooey GWEN #538b worth compared with raw?

A PSA 10 Gooey GWEN #538b (1988 Garbage Pail Kids) sells for about $41.75 versus $3.65 for a raw near-mint copy — a 11× premium as of Aug 16, 2026.

Which grading company is best for Gooey GWEN #538b?

By resale value, BGS 10 leads at $54.00, ahead of PSA 10 at $41.75. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Gooey GWEN #538b 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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