Is Tom Seaver #100 worth grading?
Baseball · Baseball Cards 1979 Topps · full price guide →
Worth grading — even a PSA 9 beats raw
A PSA 10 Tom Seaver #100 sells for $553 against $2.25 raw: a $550 spread, 246× the ungraded price. Even a PSA 9 ($49.99) 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)
- $2.25
- PSA 10
- $553
- PSA 9
- $49.99
- Gem premium
- 246×
- 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 | $553 | +$525 | +$500 | +$400 |
| PSA 9 | $49.99 | +$22.74 | −$2.26 | −$102 |
| PSA 8 | $24.00 | −$3.25 | −$28.25 | −$128 |
Net = sale price − $2.25 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% | $176 | +$123 |
| 50% | $301 | +$249 |
| 75% | $427 | +$375 |
Break-even gem rate at the standard fee: about 0%. 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 | $718 | best | 55/45 | 70/30 |
| PSA 10 | $553 | −$165 | 55/45 | 75/25 |
| CGC 10 | $332 | −$386 | 55/45 | 75/25 |
| SGC 10 | $271 | −$447 | 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 | $553 | $332 | $718 | $271 | — |
| 9.5 | — | — | — | — | $94.93 |
| 9 | — | — | — | — | $49.99 |
| 8 | — | — | — | — | $24.00 |
| 7 | — | — | — | — | $20.03 |
Run your own numbers
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Grading Tom Seaver #100 — FAQ
Is Tom Seaver #100 worth grading?
A PSA 10 Tom Seaver #100 sells for $553 against $2.25 raw: a $550 spread, 246× the ungraded price. Even a PSA 9 ($49.99) 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 Tom Seaver #100 worth compared with raw?
A PSA 10 Tom Seaver #100 (Baseball Cards 1979 Topps) sells for about $553 versus $2.25 for a raw near-mint copy — a 246× premium as of Jul 11, 2026.
Which grading company is best for Tom Seaver #100?
By resale value, BGS 10 leads at $718, ahead of PSA 10 at $553. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Tom Seaver #100 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 Tom Seaver #100 break even?
At a standard ~$50 fee, submitting Tom Seaver #100 breaks even when it gems about 0% of the time (a miss assumed to sell at the PSA 9 price of $49.99).
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.
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