Is Horsea worth grading?
Pokémon · Scarlet & Violet Black Star Promos · 137 · full price guide →
Strong grading candidate — 24× premium in PSA 10
A PSA 10 Horsea sells for $46.04 against $1.89 raw: a $44.15 spread, 24× the ungraded price. A PSA 9 ($4.00) 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)
- $1.89
- PSA 10
- $46.04
- PSA 9
- $4.00
- Gem premium
- 24×
- 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 | $46.04 | +$19.15 | −$5.85 | −$106 |
| PSA 9 | $4.00 | −$22.89 | −$47.89 | −$148 |
| PSA 8 | $23.58 | −$3.31 | −$28.31 | −$128 |
Net = sale price − $1.89 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% | $14.51 | −$37.38 |
| 50% | $25.02 | −$26.87 |
| 75% | $35.53 | −$16.36 |
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 | $46.04 | best | 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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Other Scarlet & Violet Black Star Promos cards worth checking
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Grading Horsea — FAQ
Is Horsea worth grading?
A PSA 10 Horsea sells for $46.04 against $1.89 raw: a $44.15 spread, 24× the ungraded price. A PSA 9 ($4.00) 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 Horsea worth compared with raw?
A PSA 10 Horsea (Scarlet & Violet Black Star Promos 137) sells for about $46.04 versus $1.89 for a raw near-mint copy — a 24× premium as of Aug 10, 2026.
What centering does Horsea 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.
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