Midpoint - Card Centering Tool

Is Curtis Joseph #638 worth grading?

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Worth grading only if it gems

A PSA 10 Curtis Joseph #638 brings $28.03 versus $1.08 raw — a $26.95 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($22.00) only about breaks even after fees, so the case rests on gemming.

Raw (NM)
$1.08
PSA 10
$28.03
PSA 9
$22.00
Gem premium
26×
As of
Jul 11, 2026

Break-even by outcome and fee

Curtis Joseph #638: 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$28.03+$1.95−$23.05−$123
PSA 9$22.00−$4.08−$29.08−$129
PSA 8$20.00−$6.08−$31.08−$131

Net = sale price − $1.08 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?

Curtis Joseph #638: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$23.51−$27.57
50%$25.02−$26.06
75%$26.52−$24.56

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
Curtis Joseph #638: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$36.00best55/4570/30
PSA 10$28.03−$7.9755/4575/25
CGC 10$17.00−$19.0055/4575/25
SGC 10$17.00−$19.0055/4575/25

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.

Curtis Joseph #638 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$28.03$17.00$36.00$17.00
9.5$24.00
9$22.00
8$20.00
7$2.99

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 Curtis Joseph #638 — FAQ

Is Curtis Joseph #638 worth grading?

A PSA 10 Curtis Joseph #638 brings $28.03 versus $1.08 raw — a $26.95 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($22.00) only about breaks even after fees, so the case rests on gemming.

How much is a PSA 10 Curtis Joseph #638 worth compared with raw?

A PSA 10 Curtis Joseph #638 (Hockey Cards 1990 Pro Set) sells for about $28.03 versus $1.08 for a raw near-mint copy — a 26× premium as of Jul 11, 2026.

Which grading company is best for Curtis Joseph #638?

By resale value, BGS 10 leads at $36.00, ahead of PSA 10 at $28.03. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Curtis Joseph #638 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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