Is SIS Pool #366b worth grading?
Garbage Pail Kids · 1987 Garbage Pail Kids · full price guide →
Strong grading candidate — 23× premium in PSA 10
A PSA 10 SIS Pool #366b sells for $43.95 against $1.90 raw: a $42.05 spread, 23× the ungraded price. A PSA 9 ($13.78) 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)
- $1.90
- PSA 10
- $43.95
- PSA 9
- $13.78
- Gem premium
- 23×
- As of
- Aug 16, 2026
Break-even by outcome and fee
| If it comes back… | Sells for | Economy / bulk (~$25.00) | Standard (~$50.00) | Express (~$150) |
|---|---|---|---|---|
| Gem — PSA 10 | $43.95 | +$17.05 | −$7.95 | −$108 |
| PSA 9 | $13.78 | −$13.12 | −$38.12 | −$138 |
Net = sale price − $1.90 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?
| Chance it gems | Expected sale | Expected net (standard fee) |
|---|---|---|
| 25% | $21.32 | −$30.58 |
| 50% | $28.87 | −$23.03 |
| 75% | $36.41 | −$15.49 |
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 →| Grader | 10 sells for | vs best | Front centering for a 10 | Back |
|---|---|---|---|---|
| BGS 10 | $57.00 | best | 55/45 | 70/30 |
| PSA 10 | $43.95 | −$13.05 | 55/45 | 75/25 |
| CGC 10 | $26.00 | −$31.00 | 55/45 | 75/25 |
| SGC 10 | $26.00 | −$31.00 | 55/45 | 75/25 |
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.
Full grade ladder
Raw conditions & history →| Grade | PSA | CGC | BGS | SGC | Graded |
|---|---|---|---|---|---|
| 10 | $43.95 | $26.00 | $57.00 | $26.00 | — |
| 9.5 | — | — | — | — | $15.00 |
| 9 | — | — | — | — | $13.78 |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other 1987 Garbage Pail Kids cards worth checking
Full set checklist →Grading SIS Pool #366b — FAQ
Is SIS Pool #366b worth grading?
A PSA 10 SIS Pool #366b sells for $43.95 against $1.90 raw: a $42.05 spread, 23× the ungraded price. A PSA 9 ($13.78) 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 SIS Pool #366b worth compared with raw?
A PSA 10 SIS Pool #366b (1987 Garbage Pail Kids) sells for about $43.95 versus $1.90 for a raw near-mint copy — a 23× premium as of Aug 16, 2026.
Which grading company is best for SIS Pool #366b?
By resale value, BGS 10 leads at $57.00, ahead of PSA 10 at $43.95. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does SIS Pool #366b 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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