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Rocket's Minefield Gym (Gym Challenge 119/132) — is it worth grading?

Is Rocket's Minefield Gym worth grading?

Pokémon · Gym Challenge · 119/132 · full price guide →

Strong grading candidate — 20× premium in PSA 10

A PSA 10 Rocket's Minefield Gym sells for $66.61 against $3.26 raw: a $63.35 spread, 20× the ungraded price. A PSA 9 ($19.00) 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)
$3.26
PSA 10
$66.61
PSA 9
$19.00
Gem premium
20×
As of
Aug 18, 2026

Break-even by outcome and fee

Rocket's Minefield Gym: 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$66.61+$38.35+$13.35−$86.65
PSA 9$19.00−$9.26−$34.26−$134
PSA 8$13.46−$14.80−$39.80−$140

Net = sale price − $3.26 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?

Rocket's Minefield Gym: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$30.90−$22.36
50%$42.80−$10.45
75%$54.71+$1.45

Break-even gem rate at the standard fee: about 72%. 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
Rocket's Minefield Gym: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
CGC 10$94.55best55/4575/25
PSA 10$66.61−$27.9455/4575/25

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.

Rocket's Minefield Gym graded prices by company and grade
GradePSACGC
10$17.00$11.08
9$26.33
8$13.46
6.5$2.00
5$11.00

Run your own numbers

Should I pay this?

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

Other Gym Challenge cards worth checking

Full set checklist

Grading Rocket's Minefield Gym — FAQ

Is Rocket's Minefield Gym worth grading?

A PSA 10 Rocket's Minefield Gym sells for $66.61 against $3.26 raw: a $63.35 spread, 20× the ungraded price. A PSA 9 ($19.00) 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 Rocket's Minefield Gym worth compared with raw?

A PSA 10 Rocket's Minefield Gym (Gym Challenge 119/132) sells for about $66.61 versus $3.26 for a raw near-mint copy — a 20× premium as of Aug 18, 2026.

Which grading company is best for Rocket's Minefield Gym?

By resale value, CGC 10 leads at $94.55, ahead of PSA 10 at $66.61. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Rocket's Minefield Gym need for a CGC 10?

CGC 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 Rocket's Minefield Gym break even?

At a standard ~$50 fee, submitting Rocket's Minefield Gym breaks even when it gems about 72% of the time (a miss assumed to sell at the PSA 9 price of $19.00).

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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