Is Ken Griffey Jr & Sr worth grading?
Baseball · Baseball Cards 1991 Stadium Club Charter Members · full price guide →
Strong grading candidate — 17× premium in PSA 10
A PSA 10 Ken Griffey Jr & Sr sells for $69.80 against $4.07 raw: a $65.73 spread, 17× the ungraded price. A PSA 9 ($12.30) 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)
- $4.07
- PSA 10
- $69.80
- PSA 9
- $12.30
- Gem premium
- 17×
- As of
- Jul 11, 2026
Break-even by outcome and fee
| If it comes back… | Sells for | Economy / bulk (~$25.00) | Standard (~$50.00) | Express (~$150) |
|---|---|---|---|---|
| Gem — PSA 10 | $69.80 | +$40.73 | +$15.73 | −$84.27 |
| PSA 9 | $12.30 | −$16.77 | −$41.77 | −$142 |
| PSA 8 | $5.38 | −$23.69 | −$48.69 | −$149 |
Net = sale price − $4.07 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?
| Chance it gems | Expected sale | Expected net (standard fee) |
|---|---|---|
| 25% | $26.68 | −$27.39 |
| 50% | $41.05 | −$13.02 |
| 75% | $55.42 | +$1.35 |
Break-even gem rate at the standard fee: about 73%. 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 →| Grader | 10 sells for | vs best | Front centering for a 10 | Back |
|---|---|---|---|---|
| BGS 10 | $91.00 | best | 55/45 | 70/30 |
| PSA 10 | $69.80 | −$21.20 | 55/45 | 75/25 |
| CGC 10 | $42.00 | −$49.00 | 55/45 | 75/25 |
| SGC 10 | $42.00 | −$49.00 | 55/45 | 75/25 |
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.
Full grade ladder
Raw conditions & history →| Grade | PSA | CGC | BGS | SGC | Graded |
|---|---|---|---|---|---|
| 10 | $69.80 | $42.00 | $91.00 | $42.00 | — |
| 9.5 | — | — | — | — | $14.00 |
| 9 | — | — | — | — | $12.30 |
| 8 | — | — | — | — | $5.38 |
| 7 | — | — | — | — | $4.00 |
Run your own numbers
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Grading Ken Griffey Jr & Sr — FAQ
Is Ken Griffey Jr & Sr worth grading?
A PSA 10 Ken Griffey Jr & Sr sells for $69.80 against $4.07 raw: a $65.73 spread, 17× the ungraded price. A PSA 9 ($12.30) 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 Jr & Sr worth compared with raw?
A PSA 10 Ken Griffey Jr & Sr (Baseball Cards 1991 Stadium Club Charter Members) sells for about $69.80 versus $4.07 for a raw near-mint copy — a 17× premium as of Jul 11, 2026.
Which grading company is best for Ken Griffey Jr & Sr?
By resale value, BGS 10 leads at $91.00, ahead of PSA 10 at $69.80. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Ken Griffey Jr & Sr 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 Jr & Sr break even?
At a standard ~$50 fee, submitting Ken Griffey Jr & Sr breaks even when it gems about 73% of the time (a miss assumed to sell at the PSA 9 price of $12.30).
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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