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Grookey (SWSH Black Star Promos) — is it worth grading?

Is Grookey worth grading?

Pokémon · SWSH Black Star Promos · full price guide →

Strong grading candidate — 39× premium in PSA 10

A PSA 10 Grookey sells for $47.00 against $1.20 raw: a $45.80 spread, 39× the ungraded price. A PSA 9 ($22.35) 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)
$1.20
PSA 10
$47.00
PSA 9
$22.35
Gem premium
39×
As of
Aug 10, 2026

Break-even by outcome and fee

Grookey: 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$47.00+$20.80−$4.20−$104
PSA 9$22.35−$3.85−$28.85−$129
PSA 8$13.02−$13.18−$38.18−$138

Net = sale price − $1.20 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?

Grookey: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$28.51−$22.69
50%$34.67−$16.53
75%$40.84−$10.36

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 →
Grookey: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
PSA 10$47.00best55/4575/25
CGC 10$41.00−$6.0055/4575/25

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.

Grookey graded prices by company and grade
GradePSACGC
10$47.00$41.00
9$22.35$4.00
8.5—$2.00
8$13.02$2.75
7$10.02—
6$17.99—
5.5—$3.00
5$7.50—

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 Grookey — FAQ

Is Grookey worth grading?

A PSA 10 Grookey sells for $47.00 against $1.20 raw: a $45.80 spread, 39× the ungraded price. A PSA 9 ($22.35) 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 Grookey worth compared with raw?

A PSA 10 Grookey (SWSH Black Star Promos) sells for about $47.00 versus $1.20 for a raw near-mint copy — a 39× premium as of Aug 10, 2026.

Which grading company is best for Grookey?

By resale value, PSA 10 leads at $47.00, ahead of CGC 10 at $41.00. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Grookey 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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