Is Ken Griffey Jr. #591 worth grading?
Baseball · Baseball Cards 1993 Stadium Club · full price guide →
Strong grading candidate — 40× premium in PSA 10
A PSA 10 Ken Griffey Jr. #591 sells for $92.00 against $2.28 raw: a $89.72 spread, 40× the ungraded price. A PSA 9 ($21.90) 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)
- $2.28
- PSA 10
- $92.00
- PSA 9
- $21.90
- Gem premium
- 40×
- 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 | $92.00 | +$64.72 | +$39.72 | −$60.28 |
| PSA 9 | $21.90 | −$5.38 | −$30.38 | −$130 |
| PSA 8 | $15.00 | −$12.28 | −$37.28 | −$137 |
Net = sale price − $2.28 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% | $39.42 | −$12.86 |
| 50% | $56.95 | +$4.67 |
| 75% | $74.47 | +$22.19 |
Break-even gem rate at the standard fee: about 43%. 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 | $120 | best | 55/45 | 70/30 |
| PSA 10 | $92.00 | −$28.00 | 55/45 | 75/25 |
| CGC 10 | $55.00 | −$65.00 | 55/45 | 75/25 |
| SGC 10 | $55.00 | −$65.00 | 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 | $92.00 | $55.00 | $120 | $55.00 | — |
| 9.5 | — | — | — | — | $41.88 |
| 9 | — | — | — | — | $21.90 |
| 8 | — | — | — | — | $15.00 |
| 7 | — | — | — | — | $8.27 |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
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Grading Ken Griffey Jr. #591 — FAQ
Is Ken Griffey Jr. #591 worth grading?
A PSA 10 Ken Griffey Jr. #591 sells for $92.00 against $2.28 raw: a $89.72 spread, 40× the ungraded price. A PSA 9 ($21.90) 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. #591 worth compared with raw?
A PSA 10 Ken Griffey Jr. #591 (Baseball Cards 1993 Stadium Club) sells for about $92.00 versus $2.28 for a raw near-mint copy — a 40× premium as of Jul 11, 2026.
Which grading company is best for Ken Griffey Jr. #591?
By resale value, BGS 10 leads at $120, ahead of PSA 10 at $92.00. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Ken Griffey Jr. #591 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. #591 break even?
At a standard ~$50 fee, submitting Ken Griffey Jr. #591 breaks even when it gems about 43% of the time (a miss assumed to sell at the PSA 9 price of $21.90).
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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