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Ken Griffey Sr. [30] #338 (Baseball Cards 1990 Score) — is it worth grading?

Is Ken Griffey Sr. [30] #338 worth grading?

Baseball · Baseball Cards 1990 Score · full price guide →

Strong grading candidate — 66× premium in PSA 10

A PSA 10 Ken Griffey Sr. [30] #338 sells for $90.21 against $1.36 raw: a $88.85 spread, 66× the ungraded price. A PSA 9 ($15.00) 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)
$1.36
PSA 10
$90.21
PSA 9
$15.00
Gem premium
66×
As of
Jul 11, 2026

Break-even by outcome and fee

Ken Griffey Sr. [30] #338: 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$90.21+$63.85+$38.85−$61.15
PSA 9$15.00−$11.36−$36.36−$136
PSA 8$9.34−$17.02−$42.02−$142

Net = sale price − $1.36 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?

Ken Griffey Sr. [30] #338: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$33.80−$17.56
50%$52.60+$1.24
75%$71.41+$20.05

Break-even gem rate at the standard fee: about 48%. 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
Ken Griffey Sr. [30] #338: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$117best55/4570/30
PSA 10$90.21−$26.7955/4575/25
CGC 10$54.00−$63.0055/4575/25
SGC 10$54.00−$63.0055/4575/25

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.

Ken Griffey Sr. [30] #338 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$90.21$54.00$117$54.00
9.5$36.21
9$15.00
8$9.34

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Grading Ken Griffey Sr. [30] #338 — FAQ

Is Ken Griffey Sr. [30] #338 worth grading?

A PSA 10 Ken Griffey Sr. [30] #338 sells for $90.21 against $1.36 raw: a $88.85 spread, 66× the ungraded price. A PSA 9 ($15.00) 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 Ken Griffey Sr. [30] #338 worth compared with raw?

A PSA 10 Ken Griffey Sr. [30] #338 (Baseball Cards 1990 Score) sells for about $90.21 versus $1.36 for a raw near-mint copy — a 66× premium as of Jul 11, 2026.

Which grading company is best for Ken Griffey Sr. [30] #338?

By resale value, BGS 10 leads at $117, ahead of PSA 10 at $90.21. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Ken Griffey Sr. [30] #338 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.

What gem rate makes grading Ken Griffey Sr. [30] #338 break even?

At a standard ~$50 fee, submitting Ken Griffey Sr. [30] #338 breaks even when it gems about 48% of the time (a miss assumed to sell at the PSA 9 price of $15.00).

Is your baseball 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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