Is Coby Mayo [Gold] #UB-3 worth grading?
Baseball · Baseball Cards 2025 Topps Cosmic Chrome Ultraviolet Beam · full price guide →
Strong grading candidate — 6.4× premium in PSA 10
A PSA 10 Coby Mayo [Gold] #UB-3 sells for $89.56 against $14.05 raw: a $75.51 spread, 6.4× the ungraded price. A PSA 9 ($31.42) 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)
- $14.05
- PSA 10
- $89.56
- PSA 9
- $31.42
- Gem premium
- 6.4×
- 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 | $89.56 | +$50.51 | +$25.51 | −$74.49 |
| PSA 9 | $31.42 | −$7.63 | −$32.63 | −$133 |
| PSA 8 | $17.49 | −$21.56 | −$46.56 | −$147 |
Net = sale price − $14.05 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% | $45.95 | −$18.10 |
| 50% | $60.49 | −$3.56 |
| 75% | $75.03 | +$10.98 |
Break-even gem rate at the standard fee: about 56%. 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 | $116 | best | 55/45 | 70/30 |
| PSA 10 | $89.56 | −$26.44 | 55/45 | 75/25 |
| CGC 10 | $54.00 | −$62.00 | 55/45 | 75/25 |
| SGC 10 | $54.00 | −$62.00 | 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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Enter the seller’s asking price to see your net outcome per grade.
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Grading Coby Mayo [Gold] #UB-3 — FAQ
Is Coby Mayo [Gold] #UB-3 worth grading?
A PSA 10 Coby Mayo [Gold] #UB-3 sells for $89.56 against $14.05 raw: a $75.51 spread, 6.4× the ungraded price. A PSA 9 ($31.42) 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 Coby Mayo [Gold] #UB-3 worth compared with raw?
A PSA 10 Coby Mayo [Gold] #UB-3 (Baseball Cards 2025 Topps Cosmic Chrome Ultraviolet Beam) sells for about $89.56 versus $14.05 for a raw near-mint copy — a 6.4× premium as of Sep 4, 2026.
Which grading company is best for Coby Mayo [Gold] #UB-3?
By resale value, BGS 10 leads at $116, ahead of PSA 10 at $89.56. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Coby Mayo [Gold] #UB-3 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 Coby Mayo [Gold] #UB-3 break even?
At a standard ~$50 fee, submitting Coby Mayo [Gold] #UB-3 breaks even when it gems about 56% of the time (a miss assumed to sell at the PSA 9 price of $31.42).
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