MidpointCard Centering Grading Portfolio App
Star Piece (Skyridge 139/144) — is it worth grading?

Is Star Piece worth grading?

Pokémon · Skyridge · 139/144 · full price guide →

Strong grading candidate — 5.6× premium in PSA 10

A PSA 10 Star Piece sells for $55.00 against $9.84 raw: a $45.16 spread, 5.6× the ungraded price. A PSA 9 ($23.55) 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)
$9.84
PSA 10
$55.00
PSA 9
$23.55
Gem premium
5.6×
As of
Aug 10, 2026

Break-even by outcome and fee

Star Piece: 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$55.00+$20.16−$4.84−$105
PSA 9$23.55−$11.29−$36.29−$136
PSA 8$8.08−$26.76−$51.76−$152

Net = sale price − $9.84 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?

Star Piece: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$31.41−$28.43
50%$39.27−$20.57
75%$47.14−$12.70

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 →
Star Piece: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
PSA 10$55.00best55/4575/25
CGC 10$15.00−$40.0055/4575/25

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.

Star Piece graded prices by company and grade
GradePSACGCBGS
10$199$31.93—
9$50.00$27.87$13.57
8.5—$29.99$16.80
8$34.92——
6$6.00——

Swipe the table for the other grading companies →

Run your own numbers

Should I pay this?

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

Other Skyridge cards worth checking

Full set checklist →

Grading Star Piece — FAQ

Is Star Piece worth grading?

A PSA 10 Star Piece sells for $55.00 against $9.84 raw: a $45.16 spread, 5.6× the ungraded price. A PSA 9 ($23.55) 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 Star Piece worth compared with raw?

A PSA 10 Star Piece (Skyridge 139/144) sells for about $55.00 versus $9.84 for a raw near-mint copy — a 5.6× premium as of Aug 10, 2026.

Which grading company is best for Star Piece?

By resale value, PSA 10 leads at $55.00, ahead of CGC 10 at $15.00. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Star Piece 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.

Best on iPhone & Android

Check your Pokémon card in the Midpoint app

Scan with your camera to measure centering to the millimeter, get an AI grade with corner and edge close-ups, see what your copy is worth, and track it in your portfolio. Free to start.

Download on the App StoreGet it on Google Play

Or try it on the web →

Best on iPhone & Android

The full Midpoint experience is in the app

Scan with your camera, get AI grades with corner and edge close-ups, issue Grade Certificates, set price alerts, track your portfolio and talk to other collectors — everything here, plus the parts a browser can't do. Free to start.

Download on the App StoreGet it on Google Play