Is Luis Polonia #DK-26 worth grading?
Baseball · Baseball Cards 1993 Donruss Diamond Kings · full price guide →
Strong grading candidate — 59× premium in PSA 10
A PSA 10 Luis Polonia #DK-26 sells for $73.03 against $1.23 raw: a $71.80 spread, 59× the ungraded price. A PSA 9 ($17.12) 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)
- $1.23
- PSA 10
- $73.03
- PSA 9
- $17.12
- Gem premium
- 59×
- 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 | $73.03 | +$46.80 | +$21.80 | −$78.20 |
| PSA 9 | $17.12 | −$9.11 | −$34.11 | −$134 |
| PSA 8 | $8.28 | −$17.95 | −$42.95 | −$143 |
Net = sale price − $1.23 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% | $31.10 | −$20.13 |
| 50% | $45.08 | −$6.15 |
| 75% | $59.05 | +$7.82 |
Break-even gem rate at the standard fee: about 61%. 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 | $95.00 | best | 55/45 | 70/30 |
| PSA 10 | $73.03 | −$21.97 | 55/45 | 75/25 |
| CGC 10 | $44.00 | −$51.00 | 55/45 | 75/25 |
| SGC 10 | $5.00 | −$90.00 | 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.
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Grading Luis Polonia #DK-26 — FAQ
Is Luis Polonia #DK-26 worth grading?
A PSA 10 Luis Polonia #DK-26 sells for $73.03 against $1.23 raw: a $71.80 spread, 59× the ungraded price. A PSA 9 ($17.12) 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 Luis Polonia #DK-26 worth compared with raw?
A PSA 10 Luis Polonia #DK-26 (Baseball Cards 1993 Donruss Diamond Kings) sells for about $73.03 versus $1.23 for a raw near-mint copy — a 59× premium as of Sep 4, 2026.
Which grading company is best for Luis Polonia #DK-26?
By resale value, BGS 10 leads at $95.00, ahead of PSA 10 at $73.03. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Luis Polonia #DK-26 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 Luis Polonia #DK-26 break even?
At a standard ~$50 fee, submitting Luis Polonia #DK-26 breaks even when it gems about 61% of the time (a miss assumed to sell at the PSA 9 price of $17.12).
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