Is Ken Griffey Jr. #521 worth grading?
Baseball · Baseball Cards 1995 Stadium Club · full price guide →
Strong grading candidate — 36× premium in PSA 10
A PSA 10 Ken Griffey Jr. #521 sells for $76.19 against $2.13 raw: a $74.06 spread, 36× the ungraded price. A PSA 9 ($17.85) 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)
- $2.13
- PSA 10
- $76.19
- PSA 9
- $17.85
- Gem premium
- 36×
- As of
- Sep 4, 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 | $76.19 | +$49.06 | +$24.06 | −$75.94 |
| PSA 9 | $17.85 | −$9.28 | −$34.28 | −$134 |
| PSA 8 | $11.51 | −$15.62 | −$40.62 | −$141 |
Net = sale price − $2.13 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% | $32.44 | −$19.69 |
| 50% | $47.02 | −$5.11 |
| 75% | $61.60 | +$9.47 |
Break-even gem rate at the standard fee: about 59%. 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 | $99.00 | best | 55/45 | 70/30 |
| PSA 10 | $76.19 | −$22.81 | 55/45 | 75/25 |
| SGC 10 | $39.99 | −$59.01 | 55/45 | 75/25 |
| CGC 10 | $15.50 | −$83.50 | 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.
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Grading Ken Griffey Jr. #521 — FAQ
Is Ken Griffey Jr. #521 worth grading?
A PSA 10 Ken Griffey Jr. #521 sells for $76.19 against $2.13 raw: a $74.06 spread, 36× the ungraded price. A PSA 9 ($17.85) 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. #521 worth compared with raw?
A PSA 10 Ken Griffey Jr. #521 (Baseball Cards 1995 Stadium Club) sells for about $76.19 versus $2.13 for a raw near-mint copy — a 36× premium as of Sep 4, 2026.
Which grading company is best for Ken Griffey Jr. #521?
By resale value, BGS 10 leads at $99.00, ahead of PSA 10 at $76.19. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Ken Griffey Jr. #521 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. #521 break even?
At a standard ~$50 fee, submitting Ken Griffey Jr. #521 breaks even when it gems about 59% of the time (a miss assumed to sell at the PSA 9 price of $17.85).
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