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Blastoise (Plasma Storm 137/135) — is it worth grading?

Is Blastoise worth grading?

Pokémon · Plasma Storm · 137/135 · full price guide →

Worth grading — even a PSA 9 beats raw

A PSA 10 Blastoise sells for $2,945 against $465 raw: a $2,480 spread, 6.3× the ungraded price. Even a PSA 9 ($1,339) 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)
$465
PSA 10
$2,945
PSA 9
$1,339
Gem premium
6.3×
As of
Aug 10, 2026

Break-even by outcome and fee

Blastoise: net result of grading versus selling raw, by outcome and fee tier
If it comes back…Sells forEconomy / bulk (~$25.00)Standard (~$50.00)Express (~$150)
Gem — PSA 10$2,945+$2,455+$2,430+$2,330
PSA 9$1,339+$849+$824+$724
PSA 8$853+$363+$338+$238

Net = sale price − $465 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?

Blastoise: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$1,740+$1,225
50%$2,142+$1,627
75%$2,544+$2,029

Even a miss (a 9) beats selling raw after the standard fee — the gem rate only decides how much you win by.

Which grader pays the most — and what a 10 takes

All centering standards
Blastoise: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
PSA 10$2,945best55/4575/25

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.

Blastoise graded prices by company and grade
GradePSACGCBGSSGCTAG
10$2,945
9$1,339$661$608
8.5$270$195$600
8$853$298$221$327
7.5$285
7$458$175
6.5$271$140
6$112
5$219
4$65.00
2$45.00$46.00
1$301

Run your own numbers

Should I pay this?

Enter the seller’s asking price to see your net outcome per grade.

Other Plasma Storm cards worth checking

Full set checklist

Grading Blastoise — FAQ

Is Blastoise worth grading?

A PSA 10 Blastoise sells for $2,945 against $465 raw: a $2,480 spread, 6.3× the ungraded price. Even a PSA 9 ($1,339) 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 Blastoise worth compared with raw?

A PSA 10 Blastoise (Plasma Storm 137/135) sells for about $2,945 versus $465 for a raw near-mint copy — a 6.3× premium as of Aug 10, 2026.

What centering does Blastoise 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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