Midpoint - Card Centering Tool

Is Knot The NORM #490b worth grading?

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

Grading rarely pays for this card

PSA 10 copies of Knot The NORM #490b sell for $19.26, only $16.80 above the $2.46 raw price — less than an economy-tier grading fee. A PSA 9 ($14.99) 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)
$2.46
PSA 10
$19.26
PSA 9
$14.99
Gem premium
7.8×
As of
Aug 16, 2026

Break-even by outcome and fee

Knot The NORM #490b: 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$19.26−$8.20−$33.20−$133
PSA 9$14.99−$12.47−$37.47−$137
PSA 8$10.33−$17.13−$42.13−$142

Net = sale price − $2.46 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?

Knot The NORM #490b: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$16.06−$36.40
50%$17.13−$35.34
75%$18.19−$34.27

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
Knot The NORM #490b: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$25.00best55/4570/30
PSA 10$19.26−$5.7455/4575/25
CGC 10$12.00−$13.0055/4575/25
SGC 10$12.00−$13.0055/4575/25

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.

Knot The NORM #490b graded prices by company and grade
GradePSACGCBGSSGCGraded
10$19.26$12.00$25.00$12.00
9.5$16.00
9$14.99
8$10.33

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 Knot The NORM #490b — FAQ

Is Knot The NORM #490b worth grading?

PSA 10 copies of Knot The NORM #490b sell for $19.26, only $16.80 above the $2.46 raw price — less than an economy-tier grading fee. A PSA 9 ($14.99) only about breaks even after fees, so the case rests on gemming. Keep it raw unless you are grading for the slab itself.

How much is a PSA 10 Knot The NORM #490b worth compared with raw?

A PSA 10 Knot The NORM #490b (1988 Garbage Pail Kids) sells for about $19.26 versus $2.46 for a raw near-mint copy — a 7.8× premium as of Aug 16, 2026.

Which grading company is best for Knot The NORM #490b?

By resale value, BGS 10 leads at $25.00, ahead of PSA 10 at $19.26. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Knot The NORM #490b 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.

Check my card free