Is Bert Blyleven #308 worth grading?
Baseball · Baseball Cards 1979 Topps · full price guide →
Worth grading — even a PSA 9 beats raw
A PSA 10 Bert Blyleven #308 sells for $2,600 against $2.02 raw: a $2,598 spread, 1287× the ungraded price. Even a PSA 9 ($151) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
- Raw (NM)
- $2.02
- PSA 10
- $2,600
- PSA 9
- $151
- Gem premium
- 1287×
- 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 | $2,600 | +$2,573 | +$2,548 | +$2,448 |
| PSA 9 | $151 | +$123 | +$98.48 | −$1.52 |
| PSA 8 | $42.94 | +$15.92 | −$9.08 | −$109 |
Net = sale price − $2.02 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% | $763 | +$711 |
| 50% | $1,375 | +$1,323 |
| 75% | $1,988 | +$1,936 |
Even a miss (a 9) beats selling raw after the standard fee — the gem rate only decides how much you win by.
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 | $3,380 | best | 55/45 | 70/30 |
| PSA 10 | $2,600 | −$780 | 55/45 | 75/25 |
| CGC 10 | $1,560 | −$1,820 | 55/45 | 75/25 |
| SGC 10 | $1,560 | −$1,820 | 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 | $2,600 | $1,560 | $3,380 | $1,560 | — |
| 9.5 | — | — | — | — | $166 |
| 9 | — | — | — | — | $151 |
| 8 | — | — | — | — | $42.94 |
| 7 | — | — | — | — | $12.04 |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
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Grading Bert Blyleven #308 — FAQ
Is Bert Blyleven #308 worth grading?
A PSA 10 Bert Blyleven #308 sells for $2,600 against $2.02 raw: a $2,598 spread, 1287× the ungraded price. Even a PSA 9 ($151) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
How much is a PSA 10 Bert Blyleven #308 worth compared with raw?
A PSA 10 Bert Blyleven #308 (Baseball Cards 1979 Topps) sells for about $2,600 versus $2.02 for a raw near-mint copy — a 1287× premium as of Jul 11, 2026.
Which grading company is best for Bert Blyleven #308?
By resale value, BGS 10 leads at $3,380, ahead of PSA 10 at $2,600. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Bert Blyleven #308 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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