Is オムスター worth grading?
Pokémon · 化石の秘密 · No.139 · full price guide →
Grading rarely pays for this card
PSA 10 copies of オムスター sell for $63.29, only $0.00 above the $200 raw price — less than an economy-tier grading fee. A PSA 9 ($30.12) sells for less than raw, so anything short of a 10 loses money. Keep it raw unless you are grading for the slab itself.
- Raw (NM)
- $200
- PSA 10
- $63.29
- PSA 9
- $30.12
- Gem premium
- 0.3×
- 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 | $63.29 | −$162 | −$187 | −$287 |
| PSA 9 | $30.12 | −$195 | −$220 | −$320 |
| PSA 8 | $9.58 | −$215 | −$240 | −$340 |
Net = sale price − $200 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% | $38.41 | −$212 |
| 50% | $46.70 | −$203 |
| 75% | $55.00 | −$195 |
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 |
|---|---|---|---|---|
| PSA 10 | $63.29 | best | 55/45 | 75/25 |
| CGC 10 | $31.20 | −$32.09 | 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 | ACE |
|---|---|---|---|
| 10 | $63.29 | $31.20 | — |
| 9.5 | — | $70.96 | — |
| 9 | $30.12 | $3.00 | — |
| 8.5 | — | $9.60 | — |
| 8 | $9.58 | — | $31.51 |
| 7.5 | — | $6.00 | — |
| 5 | $7.00 | — | — |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other 化石の秘密 cards worth checking
Full set checklist →
Grading オムスター — FAQ
Is オムスター worth grading?
PSA 10 copies of オムスター sell for $63.29, only $0.00 above the $200 raw price — less than an economy-tier grading fee. A PSA 9 ($30.12) sells for less than raw, so anything short of a 10 loses money. Keep it raw unless you are grading for the slab itself.
How much is a PSA 10 オムスター worth compared with raw?
A PSA 10 オムスター (化石の秘密 No.139) sells for about $63.29 versus $200 for a raw near-mint copy — a 0.3× premium as of Aug 10, 2026.
Which grading company is best for オムスター?
By resale value, PSA 10 leads at $63.29, ahead of CGC 10 at $31.20. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does オムスター 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.
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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