Is Mike Mussina #BC12 worth grading?
Baseball · Baseball Cards 1991 Leaf Gold Rookies · full price guide →
Strong grading candidate — 192× premium in PSA 10
A PSA 10 Mike Mussina #BC12 sells for $383 against $1.99 raw: a $381 spread, 192× the ungraded price. A PSA 9 ($19.99) 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)
- $1.99
- PSA 10
- $383
- PSA 9
- $19.99
- Gem premium
- 192×
- 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 | $383 | +$356 | +$331 | +$231 |
| PSA 9 | $19.99 | −$7.00 | −$32.00 | −$132 |
| PSA 8 | $3.33 | −$23.66 | −$48.66 | −$149 |
Net = sale price − $1.99 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% | $111 | +$58.70 |
| 50% | $201 | +$149 |
| 75% | $292 | +$240 |
Break-even gem rate at the standard fee: about 9%. 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 | $498 | best | 55/45 | 70/30 |
| PSA 10 | $383 | −$115 | 55/45 | 75/25 |
| CGC 10 | $230 | −$268 | 55/45 | 75/25 |
| SGC 10 | $230 | −$268 | 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 | $383 | $230 | $498 | $230 | — |
| 9.5 | — | — | — | — | $45.00 |
| 9 | — | — | — | — | $19.99 |
| 8 | — | — | — | — | $3.33 |
| 7 | — | — | — | — | $3.00 |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other 1991 Leaf Gold Rookies cards worth checking
Full set checklist →
![Nolan Ryan [7th No Hitter] #BC25 1991 Leaf Gold Rookies card](https://i.ebayimg.com/images/g/E~kAAeSw1ihqWO7G/s-l500.jpg)
Grading Mike Mussina #BC12 — FAQ
Is Mike Mussina #BC12 worth grading?
A PSA 10 Mike Mussina #BC12 sells for $383 against $1.99 raw: a $381 spread, 192× the ungraded price. A PSA 9 ($19.99) 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 Mike Mussina #BC12 worth compared with raw?
A PSA 10 Mike Mussina #BC12 (Baseball Cards 1991 Leaf Gold Rookies) sells for about $383 versus $1.99 for a raw near-mint copy — a 192× premium as of Jul 11, 2026.
Which grading company is best for Mike Mussina #BC12?
By resale value, BGS 10 leads at $498, ahead of PSA 10 at $383. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Mike Mussina #BC12 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 Mike Mussina #BC12 break even?
At a standard ~$50 fee, submitting Mike Mussina #BC12 breaks even when it gems about 9% of the time (a miss assumed to sell at the PSA 9 price of $19.99).
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.
Check my card free