Is Cornerstone Mask Ogerpon ex worth grading?
Pokémon · Twilight Masquerade · 215/167 · full price guide →
Strong grading candidate — 4.2× premium in PSA 10
A PSA 10 Cornerstone Mask Ogerpon ex sells for $63.33 against $15.03 raw: a $48.30 spread, 4.2× the ungraded price. A PSA 9 ($9.67) sells for less than raw, so anything short of a 10 loses money. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
- Raw (NM)
- $15.03
- PSA 10
- $63.33
- PSA 9
- $9.67
- Gem premium
- 4.2×
- As of
- Aug 10, 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 | $63.33 | +$23.30 | −$1.70 | −$102 |
| PSA 9 | $9.67 | −$30.36 | −$55.36 | −$155 |
| PSA 8 | $17.53 | −$22.50 | −$47.50 | −$148 |
Net = sale price − $15.03 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% | $23.09 | −$41.95 |
| 50% | $36.50 | −$28.53 |
| 75% | $49.91 | −$15.12 |
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 |
|---|---|---|---|---|
| TAG 10 | $69.98 | best | 55/45 | 72/28 |
| PSA 10 | $63.33 | −$6.65 | 55/45 | 75/25 |
| SGC 10 | $33.89 | −$36.09 | 55/45 | 75/25 |
| CGC 10 | $7.61 | −$62.37 | 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 Cornerstone Mask Ogerpon ex — FAQ
Is Cornerstone Mask Ogerpon ex worth grading?
A PSA 10 Cornerstone Mask Ogerpon ex sells for $63.33 against $15.03 raw: a $48.30 spread, 4.2× the ungraded price. A PSA 9 ($9.67) sells for less than raw, so anything short of a 10 loses money. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
How much is a PSA 10 Cornerstone Mask Ogerpon ex worth compared with raw?
A PSA 10 Cornerstone Mask Ogerpon ex (Twilight Masquerade 215/167) sells for about $63.33 versus $15.03 for a raw near-mint copy — a 4.2× premium as of Aug 10, 2026.
Which grading company is best for Cornerstone Mask Ogerpon ex?
By resale value, TAG 10 leads at $69.98, ahead of PSA 10 at $63.33. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Cornerstone Mask Ogerpon ex need for a TAG 10?
TAG publishes 55/45 front and 72/28 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.
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