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コイキング (ロケット団 No.129) — is it worth grading?

Is コイキング worth grading?

Pokémon · ロケット団 · No.129 · full price guide →

Grading rarely pays for this card

PSA 10 copies of コイキング sell for $394, only $0.00 above the $6,000 raw price — less than an economy-tier grading fee. A PSA 9 ($31.92) 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)
$6,000
PSA 10
$394
PSA 9
$31.92
Gem premium
0.1×
As of
Aug 10, 2026

Break-even by outcome and fee

コイキング: 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$394−$5,631−$5,656−$5,756
PSA 9$31.92−$5,993−$6,018−$6,118
PSA 8$11.00−$6,014−$6,039−$6,139

Net = sale price − $6,000 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?

コイキング: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$122−$5,928
50%$213−$5,837
75%$304−$5,746

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
コイキング: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
PSA 10$394best55/4575/25
CGC 10$81.20−$31355/4575/25
SGC 10$24.99−$36955/4575/25

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.

コイキング graded prices by company and grade
GradePSACGCSGC
10$394$81.20$24.99
9.5$36.95
9$31.92$17.53
8$11.00
7.5$12.45
7$4.25
6$14.32

Run your own numbers

Should I pay this?

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

Other ロケット団 cards worth checking

Full set checklist

Grading コイキング — FAQ

Is コイキング worth grading?

PSA 10 copies of コイキング sell for $394, only $0.00 above the $6,000 raw price — less than an economy-tier grading fee. A PSA 9 ($31.92) 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 コイキング worth compared with raw?

A PSA 10 コイキング (ロケット団 No.129) sells for about $394 versus $6,000 for a raw near-mint copy — a 0.1× premium as of Aug 10, 2026.

Which grading company is best for コイキング?

By resale value, PSA 10 leads at $394, ahead of CGC 10 at $81.20. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does コイキング 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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