Is Roger Clemens #309 worth grading?
Baseball · Baseball Cards 1991 Stadium Club · full price guide →
Worth grading only if it gems
A PSA 10 Roger Clemens #309 brings $35.89 versus $1.75 raw — a $34.14 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($19.58) only about breaks even after fees, so the case rests on gemming.
- Raw (NM)
- $1.75
- PSA 10
- $35.89
- PSA 9
- $19.58
- Gem premium
- 21×
- 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 | $35.89 | +$9.14 | −$15.86 | −$116 |
| PSA 9 | $19.58 | −$7.17 | −$32.17 | −$132 |
| PSA 8 | $8.00 | −$18.75 | −$43.75 | −$144 |
Net = sale price − $1.75 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% | $23.66 | −$28.09 |
| 50% | $27.73 | −$24.02 |
| 75% | $31.81 | −$19.94 |
At the standard fee this submission does not break even at any realistic gem rate unless the miss lands above the 9 price.
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 | $47.00 | best | 55/45 | 70/30 |
| PSA 10 | $35.89 | −$11.11 | 55/45 | 75/25 |
| CGC 10 | $22.00 | −$25.00 | 55/45 | 75/25 |
| SGC 10 | $22.00 | −$25.00 | 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.
Full grade ladder
Raw conditions & history →| Grade | PSA | CGC | BGS | SGC | Graded |
|---|---|---|---|---|---|
| 10 | $35.89 | $22.00 | $47.00 | $22.00 | — |
| 9.5 | — | — | — | — | $35.00 |
| 9 | — | — | — | — | $19.58 |
| 8 | — | — | — | — | $8.00 |
Run your own numbers
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Grading Roger Clemens #309 — FAQ
Is Roger Clemens #309 worth grading?
A PSA 10 Roger Clemens #309 brings $35.89 versus $1.75 raw — a $34.14 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($19.58) only about breaks even after fees, so the case rests on gemming.
How much is a PSA 10 Roger Clemens #309 worth compared with raw?
A PSA 10 Roger Clemens #309 (Baseball Cards 1991 Stadium Club) sells for about $35.89 versus $1.75 for a raw near-mint copy — a 21× premium as of Jul 11, 2026.
Which grading company is best for Roger Clemens #309?
By resale value, BGS 10 leads at $47.00, ahead of PSA 10 at $35.89. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Roger Clemens #309 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.
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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