Is Groovy GREG #421a worth grading?
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Strong grading candidate — 24× premium in PSA 10
A PSA 10 Groovy GREG #421a sells for $68.65 against $2.83 raw: a $65.82 spread, 24× the ungraded price. A PSA 9 ($19.00) 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)
- $2.83
- PSA 10
- $68.65
- PSA 9
- $19.00
- Gem premium
- 24×
- As of
- Oct 4, 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 | $68.65 | +$40.82 | +$15.82 | −$84.18 |
| PSA 9 | $19.00 | −$8.83 | −$33.83 | −$134 |
Net = sale price − $2.83 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% | $31.41 | −$21.42 |
| 50% | $43.83 | −$9.00 |
| 75% | $56.24 | +$3.41 |
Break-even gem rate at the standard fee: about 68%. Centering is the usual reason a clean copy misses — measure it before you decide.
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 | $89.00 | best | 55/45 | 70/30 |
| PSA 10 | $68.65 | −$20.35 | 55/45 | 75/25 |
| CGC 10 | $41.00 | −$48.00 | 55/45 | 75/25 |
| SGC 10 | $41.00 | −$48.00 | 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.
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Grading Groovy GREG #421a — FAQ
Is Groovy GREG #421a worth grading?
A PSA 10 Groovy GREG #421a sells for $68.65 against $2.83 raw: a $65.82 spread, 24× the ungraded price. A PSA 9 ($19.00) 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 Groovy GREG #421a worth compared with raw?
A PSA 10 Groovy GREG #421a (1987 Garbage Pail Kids) sells for about $68.65 versus $2.83 for a raw near-mint copy — a 24× premium as of Oct 4, 2026.
Which grading company is best for Groovy GREG #421a?
By resale value, BGS 10 leads at $89.00, ahead of PSA 10 at $68.65. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Groovy GREG #421a 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.
What gem rate makes grading Groovy GREG #421a break even?
At a standard ~$50 fee, submitting Groovy GREG #421a breaks even when it gems about 68% of the time (a miss assumed to sell at the PSA 9 price of $19.00).
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