Is Seong-Jun Kim [Optic Signature] #152 worth grading?
Baseball · Baseball Cards 2026 Panini Donruss · full price guide →
Strong grading candidate — 5.8× premium in PSA 10
A PSA 10 Seong-Jun Kim [Optic Signature] #152 sells for $145 against $25.00 raw: a $120 spread, 5.8× the ungraded price. A PSA 9 ($49.54) 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)
- $25.00
- PSA 10
- $145
- PSA 9
- $49.54
- Gem premium
- 5.8×
- As of
- Sep 3, 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 | $145 | +$94.97 | +$69.97 | −$30.03 |
| PSA 9 | $49.54 | −$0.46 | −$25.46 | −$125 |
| PSA 8 | $27.65 | −$22.35 | −$47.35 | −$147 |
Net = sale price − $25.00 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% | $73.40 | −$1.60 |
| 50% | $97.25 | +$22.25 |
| 75% | $121 | +$46.11 |
Break-even gem rate at the standard fee: about 27%. 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 | $188 | best | 55/45 | 70/30 |
| PSA 10 | $145 | −$43.03 | 55/45 | 75/25 |
| CGC 10 | $87.00 | −$101 | 55/45 | 75/25 |
| SGC 10 | $87.00 | −$101 | 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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Other 2026 Panini Donruss cards worth checking
Full set checklist →![Caleb Bonemer [Optic Signature] #105 2026 Panini Donruss card](https://i.ebayimg.com/images/g/pZMAAeSwY5FqQfU9/s-l500.jpg)
![Zach Root [Optic Signature] #143 2026 Panini Donruss card](https://i.ebayimg.com/images/g/Uk8AAeSwJM5qW9uJ/s-l500.jpg)
Grading Seong-Jun Kim [Optic Signature] #152 — FAQ
Is Seong-Jun Kim [Optic Signature] #152 worth grading?
A PSA 10 Seong-Jun Kim [Optic Signature] #152 sells for $145 against $25.00 raw: a $120 spread, 5.8× the ungraded price. A PSA 9 ($49.54) 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 Seong-Jun Kim [Optic Signature] #152 worth compared with raw?
A PSA 10 Seong-Jun Kim [Optic Signature] #152 (Baseball Cards 2026 Panini Donruss) sells for about $145 versus $25.00 for a raw near-mint copy — a 5.8× premium as of Sep 3, 2026.
Which grading company is best for Seong-Jun Kim [Optic Signature] #152?
By resale value, BGS 10 leads at $188, ahead of PSA 10 at $145. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Seong-Jun Kim [Optic Signature] #152 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 Seong-Jun Kim [Optic Signature] #152 break even?
At a standard ~$50 fee, submitting Seong-Jun Kim [Optic Signature] #152 breaks even when it gems about 27% of the time (a miss assumed to sell at the PSA 9 price of $49.54).
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