Is Sammy Sosa #312 worth grading?
Baseball · Baseball Cards 1990 Bowman Tiffany · full price guide →
Strong grading candidate — 29× premium in PSA 10
A PSA 10 Sammy Sosa #312 sells for $535 against $18.38 raw: a $517 spread, 29× the ungraded price. A PSA 9 ($42.50) 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)
- $18.38
- PSA 10
- $535
- PSA 9
- $42.50
- Gem premium
- 29×
- As of
- Oct 2, 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 | $535 | +$492 | +$467 | +$367 |
| PSA 9 | $42.50 | −$0.88 | −$25.88 | −$126 |
| PSA 8 | $17.45 | −$25.93 | −$50.93 | −$151 |
Net = sale price − $18.38 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% | $166 | +$97.25 |
| 50% | $289 | +$220 |
| 75% | $412 | +$343 |
Break-even gem rate at the standard fee: about 5%. 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 | $696 | best | 55/45 | 70/30 |
| PSA 10 | $535 | −$161 | 55/45 | 75/25 |
| CGC 10 | $321 | −$375 | 55/45 | 75/25 |
| SGC 10 | $295 | −$401 | 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 Sammy Sosa #312 — FAQ
Is Sammy Sosa #312 worth grading?
A PSA 10 Sammy Sosa #312 sells for $535 against $18.38 raw: a $517 spread, 29× the ungraded price. A PSA 9 ($42.50) 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 Sammy Sosa #312 worth compared with raw?
A PSA 10 Sammy Sosa #312 (Baseball Cards 1990 Bowman Tiffany) sells for about $535 versus $18.38 for a raw near-mint copy — a 29× premium as of Oct 2, 2026.
Which grading company is best for Sammy Sosa #312?
By resale value, BGS 10 leads at $696, ahead of PSA 10 at $535. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Sammy Sosa #312 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 Sammy Sosa #312 break even?
At a standard ~$50 fee, submitting Sammy Sosa #312 breaks even when it gems about 5% of the time (a miss assumed to sell at the PSA 9 price of $42.50).
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