Is Ken Singleton #30 worth grading?
Baseball · Baseball Cards 1980 Kellogg's · full price guide →
Worth grading — even a PSA 9 beats raw
A PSA 10 Ken Singleton #30 sells for $101 against $1.79 raw: a $99.69 spread, 57× the ungraded price. Even a PSA 9 ($37.00) 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)
- $1.79
- PSA 10
- $101
- PSA 9
- $37.00
- Gem premium
- 57×
- As of
- Sep 4, 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 | $101 | +$74.69 | +$49.69 | −$50.31 |
| PSA 9 | $37.00 | +$10.21 | −$14.79 | −$115 |
| PSA 8 | $14.29 | −$12.50 | −$37.50 | −$138 |
Net = sale price − $1.79 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% | $53.12 | +$1.33 |
| 50% | $69.24 | +$17.45 |
| 75% | $85.36 | +$33.57 |
Break-even gem rate at the standard fee: about 23%. 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 | $132 | best | 55/45 | 70/30 |
| PSA 10 | $101 | −$30.52 | 55/45 | 75/25 |
| CGC 10 | $61.00 | −$71.00 | 55/45 | 75/25 |
| SGC 10 | $61.00 | −$71.00 | 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.
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Other 1980 Kellogg's cards worth checking
Full set checklist →Grading Ken Singleton #30 — FAQ
Is Ken Singleton #30 worth grading?
A PSA 10 Ken Singleton #30 sells for $101 against $1.79 raw: a $99.69 spread, 57× the ungraded price. Even a PSA 9 ($37.00) 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 Ken Singleton #30 worth compared with raw?
A PSA 10 Ken Singleton #30 (Baseball Cards 1980 Kellogg's) sells for about $101 versus $1.79 for a raw near-mint copy — a 57× premium as of Sep 4, 2026.
Which grading company is best for Ken Singleton #30?
By resale value, BGS 10 leads at $132, ahead of PSA 10 at $101. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Ken Singleton #30 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 Ken Singleton #30 break even?
At a standard ~$50 fee, submitting Ken Singleton #30 breaks even when it gems about 23% of the time (a miss assumed to sell at the PSA 9 price of $37.00).
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