Is Mariano Rivera #327 worth grading?
Baseball · Baseball Cards 1993 Bowman · full price guide →
Strong grading candidate — 38× premium in PSA 10
A PSA 10 Mariano Rivera #327 sells for $182 against $4.75 raw: a $178 spread, 38× the ungraded price. A PSA 9 ($25.50) 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)
- $4.75
- PSA 10
- $182
- PSA 9
- $25.50
- Gem premium
- 38×
- As of
- Jul 11, 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 | $182 | +$153 | +$128 | +$27.50 |
| PSA 9 | $25.50 | −$4.25 | −$29.25 | −$129 |
| PSA 8 | $19.52 | −$10.23 | −$35.23 | −$135 |
Net = sale price − $4.75 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% | $64.69 | +$9.94 |
| 50% | $104 | +$49.13 |
| 75% | $143 | +$88.31 |
Break-even gem rate at the standard fee: about 19%. 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 |
|---|---|---|---|---|
| PSA 10 | $182 | best | 55/45 | 75/25 |
| BGS 10 | $154 | −$28.75 | 55/45 | 70/30 |
| CGC 10 | $109 | −$73.25 | 55/45 | 75/25 |
| SGC 10 | $102 | −$79.89 | 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.
Full grade ladder
Raw conditions & history →| Grade | PSA | CGC | BGS | SGC | Graded |
|---|---|---|---|---|---|
| 10 | $182 | $109 | $154 | $102 | — |
| 9.5 | — | — | — | — | $28.00 |
| 9 | — | — | — | — | $25.50 |
| 8 | — | — | — | — | $19.52 |
| 7 | — | — | — | — | $4.60 |
Run your own numbers
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Grading Mariano Rivera #327 — FAQ
Is Mariano Rivera #327 worth grading?
A PSA 10 Mariano Rivera #327 sells for $182 against $4.75 raw: a $178 spread, 38× the ungraded price. A PSA 9 ($25.50) 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 Mariano Rivera #327 worth compared with raw?
A PSA 10 Mariano Rivera #327 (Baseball Cards 1993 Bowman) sells for about $182 versus $4.75 for a raw near-mint copy — a 38× premium as of Jul 11, 2026.
Which grading company is best for Mariano Rivera #327?
By resale value, PSA 10 leads at $182, ahead of BGS 10 at $154. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Mariano Rivera #327 need for a PSA 10?
PSA 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 Mariano Rivera #327 break even?
At a standard ~$50 fee, submitting Mariano Rivera #327 breaks even when it gems about 19% of the time (a miss assumed to sell at the PSA 9 price of $25.50).
Is your baseball card centered well enough to grade?
Centering makes or breaks a PSA 10. Scan any card with Midpoint to measure its exact centering, get a grade estimate, and see what your copy is actually worth.
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