Is Marnie worth grading?
Pokémon · SWSH Black Star Promos · full price guide →
Strong grading candidate — 5.3× premium in PSA 10
A PSA 10 Marnie sells for $165 against $31.14 raw: a $134 spread, 5.3× the ungraded price. A PSA 9 ($22.22) 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)
- $31.14
- PSA 10
- $165
- PSA 9
- $22.22
- Gem premium
- 5.3×
- As of
- Aug 19, 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 | $165 | +$109 | +$83.68 | −$16.32 |
| PSA 9 | $22.22 | −$33.92 | −$58.92 | −$159 |
| PSA 8 | $23.46 | −$32.68 | −$57.68 | −$158 |
Net = sale price − $31.14 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% | $57.87 | −$23.27 |
| 50% | $93.52 | +$12.38 |
| 75% | $129 | +$48.03 |
Break-even gem rate at the standard fee: about 41%. 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 | $165 | best | 55/45 | 75/25 |
| CGC 10 | $62.35 | −$102 | 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 |
|---|---|---|---|---|
| 10 | $165 | $62.35 | — | — |
| 9.5 | — | $27.77 | — | $15.81 |
| 9 | $22.22 | $22.39 | $27.20 | $15.50 |
| 8.5 | — | $13.70 | $20.00 | — |
| 8 | $23.46 | $6.00 | $13.00 | — |
| 7 | $18.10 | — | — | — |
| 6 | $18.03 | — | — | — |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other SWSH Black Star Promos cards worth checking
Full set checklist →
Grading Marnie — FAQ
Is Marnie worth grading?
A PSA 10 Marnie sells for $165 against $31.14 raw: a $134 spread, 5.3× the ungraded price. A PSA 9 ($22.22) 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 Marnie worth compared with raw?
A PSA 10 Marnie (SWSH Black Star Promos) sells for about $165 versus $31.14 for a raw near-mint copy — a 5.3× premium as of Aug 19, 2026.
Which grading company is best for Marnie?
By resale value, PSA 10 leads at $165, ahead of CGC 10 at $62.35. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Marnie 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 Marnie break even?
At a standard ~$50 fee, submitting Marnie breaks even when it gems about 41% of the time (a miss assumed to sell at the PSA 9 price of $22.22).
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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