Midpoint - Card Centering Tool

Is Wayne Gretzky #340 worth grading?

Hockey · Hockey Cards 1990 Pro Set · full price guide →

Strong grading candidate — 28× premium in PSA 10

A PSA 10 Wayne Gretzky #340 sells for $43.17 against $1.53 raw: a $41.64 spread, 28× the ungraded price. A PSA 9 ($14.99) 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)
$1.53
PSA 10
$43.17
PSA 9
$14.99
Gem premium
28×
As of
Jul 11, 2026

Break-even by outcome and fee

Wayne Gretzky #340: 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$43.17+$16.64−$8.36−$108
PSA 9$14.99−$11.54−$36.54−$137
PSA 8$12.68−$13.85−$38.85−$139

Net = sale price − $1.53 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?

Wayne Gretzky #340: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$22.04−$29.50
50%$29.08−$22.45
75%$36.13−$15.41

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
Wayne Gretzky #340: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$56.00best55/4570/30
PSA 10$43.17−$12.8355/4575/25
CGC 10$26.00−$30.0055/4575/25
SGC 10$26.00−$30.0055/4575/25

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.

Wayne Gretzky #340 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$43.17$26.00$56.00$26.00
9.5$16.00
9$14.99
8$12.68
7$5.00

Run your own numbers

Should I pay this?

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

Other 1990 Pro Set cards worth checking

Full set checklist

Grading Wayne Gretzky #340 — FAQ

Is Wayne Gretzky #340 worth grading?

A PSA 10 Wayne Gretzky #340 sells for $43.17 against $1.53 raw: a $41.64 spread, 28× the ungraded price. A PSA 9 ($14.99) 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 Wayne Gretzky #340 worth compared with raw?

A PSA 10 Wayne Gretzky #340 (Hockey Cards 1990 Pro Set) sells for about $43.17 versus $1.53 for a raw near-mint copy — a 28× premium as of Jul 11, 2026.

Which grading company is best for Wayne Gretzky #340?

By resale value, BGS 10 leads at $56.00, ahead of PSA 10 at $43.17. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Wayne Gretzky #340 need for a BGS 10?

BGS publishes 55/45 front and 70/30 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 hockey 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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