Is Mewtwo-EX worth grading?
Pokémon · XY Black Star Promos · XY183 · full price guide →
Worth grading — even a PSA 9 beats raw
A PSA 10 Mewtwo-EX sells for $1,491 against $14.74 raw: a $1,476 spread, 101× the ungraded price. Even a PSA 9 ($53.71) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
- Raw (NM)
- $14.74
- PSA 10
- $1,491
- PSA 9
- $53.71
- Gem premium
- 101×
- 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 | $1,491 | +$1,451 | +$1,426 | +$1,326 |
| PSA 9 | $53.71 | +$13.97 | −$11.03 | −$111 |
| PSA 8 | $11.38 | −$28.36 | −$53.36 | −$153 |
Net = sale price − $14.74 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% | $413 | +$348 |
| 50% | $772 | +$708 |
| 75% | $1,132 | +$1,067 |
Break-even gem rate at the standard fee: about 1%. 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 |
|---|---|---|---|---|
| PSA 10 | $1,491 | best | 55/45 | 75/25 |
| CGC 10 | $280 | −$1,211 | 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 | TAG | ACE |
|---|---|---|---|---|---|---|
| 10 | $350 | $265 | — | — | — | — |
| 9 | $34.14 | $16.00 | — | — | — | — |
| 8.5 | — | $7.00 | — | — | — | — |
| 8 | $11.38 | — | $22.00 | — | $35.00 | — |
| 7.5 | — | $9.99 | — | — | — | — |
| 7 | $38.73 | $3.02 | — | $1.00 | — | $9.00 |
| 6 | $14.50 | — | — | — | — | — |
| 5 | $12.33 | — | — | — | — | — |
| 1 | $54.19 | — | — | — | — | — |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other XY Black Star Promos cards worth checking
Full set checklist →
Grading Mewtwo-EX — FAQ
Is Mewtwo-EX worth grading?
A PSA 10 Mewtwo-EX sells for $1,491 against $14.74 raw: a $1,476 spread, 101× the ungraded price. Even a PSA 9 ($53.71) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
How much is a PSA 10 Mewtwo-EX worth compared with raw?
A PSA 10 Mewtwo-EX (XY Black Star Promos XY183) sells for about $1,491 versus $14.74 for a raw near-mint copy — a 101× premium as of Aug 10, 2026.
Which grading company is best for Mewtwo-EX?
By resale value, PSA 10 leads at $1,491, ahead of CGC 10 at $280. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Mewtwo-EX need for a PSA 10?
PSA publishes 55/45 front and 75/25 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 Mewtwo-EX break even?
At a standard ~$50 fee, submitting Mewtwo-EX breaks even when it gems about 1% of the time (a miss assumed to sell at the PSA 9 price of $53.71).
Is your Pokémon 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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