Is Ken Griffey Jr #WI13 worth grading?
Baseball · Baseball Cards 1993 Upper Deck Iooss Collection · full price guide →
Strong grading candidate — 35× premium in CGC 10
A CGC 10 Ken Griffey Jr #WI13 sells for $141 against $4.00 raw: a $137 spread, 35× the ungraded price. A PSA 9 ($19.00) 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)
- $4.00
- CGC 10
- $141
- PSA 9
- $19.00
- Gem premium
- 35×
- 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 — CGC 10 | $141 | +$112 | +$87.00 | −$13.00 |
| PSA 9 | $19.00 | −$10.00 | −$35.00 | −$135 |
| PSA 8 | $16.99 | −$12.01 | −$37.01 | −$137 |
Net = sale price − $4.00 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% | $49.50 | −$4.50 |
| 50% | $80.00 | +$26.00 |
| 75% | $111 | +$56.50 |
Break-even gem rate at the standard fee: about 29%. 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 |
|---|---|---|---|---|
| CGC 10 | $141 | best | 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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Raw conditions & history →Run your own numbers
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Full set checklist →Grading Ken Griffey Jr #WI13 — FAQ
Is Ken Griffey Jr #WI13 worth grading?
A CGC 10 Ken Griffey Jr #WI13 sells for $141 against $4.00 raw: a $137 spread, 35× the ungraded price. A PSA 9 ($19.00) 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.
What centering does Ken Griffey Jr #WI13 need for a CGC 10?
CGC publishes 55/45 front and 75/25 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 #WI13 break even?
At a standard ~$50 fee, submitting Ken Griffey Jr #WI13 breaks even when it gems about 29% of the time (a miss assumed to sell at the PSA 9 price of $19.00).
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