![Mask of Weakness [1st Edition] LON-015 (YuGiOh Labyrinth of Nightmare) — is it worth grading?](https://i.ebayimg.com/images/g/1XEAAeSwN09qboyc/s-l1600.jpg)
Is Mask of Weakness [1st Edition] LON-015 worth grading?
Yu-Gi-Oh! · YuGiOh Labyrinth of Nightmare · full price guide →
Strong grading candidate — 50× premium in PSA 10
A PSA 10 Mask of Weakness [1st Edition] LON-015 sells for $184 against $3.72 raw: a $181 spread, 50× the ungraded price. A PSA 9 ($15.54) 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)
- $3.72
- PSA 10
- $184
- PSA 9
- $15.54
- Gem premium
- 50×
- As of
- Aug 9, 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 | $184 | +$156 | +$131 | +$30.51 |
| PSA 9 | $15.54 | −$13.18 | −$38.18 | −$138 |
| PSA 8 | $12.34 | −$16.38 | −$41.38 | −$141 |
Net = sale price − $3.72 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% | $57.71 | +$3.99 |
| 50% | $99.88 | +$46.16 |
| 75% | $142 | +$88.34 |
Break-even gem rate at the standard fee: about 23%. 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 | $240 | best | 55/45 | 70/30 |
| PSA 10 | $184 | −$55.77 | 55/45 | 75/25 |
| CGC 10 | $111 | −$129 | 55/45 | 75/25 |
| SGC 10 | $111 | −$129 | 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 | $184 | $111 | $240 | $111 | — |
| 9.5 | — | — | — | — | $17.00 |
| 9 | — | — | — | — | $15.54 |
| 8 | — | — | — | — | $12.34 |
| 7 | — | — | — | — | $4.87 |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
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Grading Mask of Weakness [1st Edition] LON-015 — FAQ
Is Mask of Weakness [1st Edition] LON-015 worth grading?
A PSA 10 Mask of Weakness [1st Edition] LON-015 sells for $184 against $3.72 raw: a $181 spread, 50× the ungraded price. A PSA 9 ($15.54) 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 Mask of Weakness [1st Edition] LON-015 worth compared with raw?
A PSA 10 Mask of Weakness [1st Edition] LON-015 (YuGiOh Labyrinth of Nightmare) sells for about $184 versus $3.72 for a raw near-mint copy — a 50× premium as of Aug 9, 2026.
Which grading company is best for Mask of Weakness [1st Edition] LON-015?
By resale value, BGS 10 leads at $240, ahead of PSA 10 at $184. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Mask of Weakness [1st Edition] LON-015 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 Mask of Weakness [1st Edition] LON-015 break even?
At a standard ~$50 fee, submitting Mask of Weakness [1st Edition] LON-015 breaks even when it gems about 23% of the time (a miss assumed to sell at the PSA 9 price of $15.54).
Is your Yu-Gi-Oh! 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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