Midpoint - Card Centering Tool
Ken Griffey #420 (Baseball Cards 1990 Fleer) — is it worth grading?

Is Ken Griffey #420 worth grading?

Baseball · Baseball Cards 1990 Fleer · full price guide →

Strong grading candidate — 61× premium in PSA 10

A PSA 10 Ken Griffey #420 sells for $107 against $1.77 raw: a $106 spread, 61× the ungraded price. A PSA 9 ($16.50) 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)
$1.77
PSA 10
$107
PSA 9
$16.50
Gem premium
61×
As of
Jul 11, 2026

Break-even by outcome and fee

Ken Griffey #420: 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$107+$80.65+$55.65−$44.35
PSA 9$16.50−$10.27−$35.27−$135
PSA 8$3.76−$23.01−$48.01−$148

Net = sale price − $1.77 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 #420: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$39.23−$12.54
50%$61.96+$10.19
75%$84.69+$32.92

Break-even gem rate at the standard fee: about 39%. 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 #420: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$140best55/4570/30
PSA 10$107−$32.5855/4575/25
CGC 10$64.00−$76.0055/4575/25
SGC 10$64.00−$76.0055/4575/25

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 #420 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$107$64.00$140$64.00
9.5$40.85
9$16.50
8$3.76
7$1.00

Run your own numbers

Should I pay this?

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

Other 1990 Fleer cards worth checking

Full set checklist

Grading Ken Griffey #420 — FAQ

Is Ken Griffey #420 worth grading?

A PSA 10 Ken Griffey #420 sells for $107 against $1.77 raw: a $106 spread, 61× the ungraded price. A PSA 9 ($16.50) 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 #420 worth compared with raw?

A PSA 10 Ken Griffey #420 (Baseball Cards 1990 Fleer) sells for about $107 versus $1.77 for a raw near-mint copy — a 61× premium as of Jul 11, 2026.

Which grading company is best for Ken Griffey #420?

By resale value, BGS 10 leads at $140, ahead of PSA 10 at $107. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Ken Griffey #420 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 #420 break even?

At a standard ~$50 fee, submitting Ken Griffey #420 breaks even when it gems about 39% of the time (a miss assumed to sell at the PSA 9 price of $16.50).

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.

Check my card free