Is Slowbro worth grading?
Pokémon · Aquapolis · 33/147 · full price guide →
Strong grading candidate — 5.3× premium in PSA 10
A PSA 10 Slowbro sells for $525 against $98.15 raw: a $427 spread, 5.3× the ungraded price. A PSA 9 ($28.25) 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)
- $98.15
- PSA 10
- $525
- PSA 9
- $28.25
- Gem premium
- 5.3×
- 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 | $525 | +$402 | +$377 | +$277 |
| PSA 9 | $28.25 | −$94.90 | −$120 | −$220 |
| PSA 8 | $17.93 | −$105 | −$130 | −$230 |
Net = sale price − $98.15 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% | $152 | +$4.28 |
| 50% | $277 | +$128 |
| 75% | $401 | +$253 |
Break-even gem rate at the standard fee: about 24%. 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 | $4,000 | best | 55/45 | 75/25 |
| CGC 10 | $46.11 | −$3,954 | 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 | ACE |
|---|---|---|---|---|
| 10 | $4,000 | $46.11 | — | $204 |
| 9.5 | — | $60.00 | $154 | — |
| 9 | $450 | $251 | — | — |
| 8.5 | — | $203 | — | — |
| 8 | $124 | $261 | — | — |
| 7 | $221 | $25.00 | — | — |
| 6 | $79.00 | $18.00 | — | — |
| 5 | $10.00 | — | — | — |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other Aquapolis cards worth checking
Full set checklist →
Grading Slowbro — FAQ
Is Slowbro worth grading?
A PSA 10 Slowbro sells for $525 against $98.15 raw: a $427 spread, 5.3× the ungraded price. A PSA 9 ($28.25) 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 Slowbro worth compared with raw?
A PSA 10 Slowbro (Aquapolis 33/147) sells for about $525 versus $98.15 for a raw near-mint copy — a 5.3× premium as of Aug 10, 2026.
Which grading company is best for Slowbro?
By resale value, PSA 10 leads at $4,000, ahead of CGC 10 at $46.11. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Slowbro 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 Slowbro break even?
At a standard ~$50 fee, submitting Slowbro breaks even when it gems about 24% of the time (a miss assumed to sell at the PSA 9 price of $28.25).
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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