Is Nolan Ryan #31 worth grading?
Baseball · Baseball Cards 1983 Kellogg's · full price guide →
Worth grading — even a PSA 9 beats raw
A PSA 10 Nolan Ryan #31 sells for $251 against $7.37 raw: a $244 spread, 34× the ungraded price. Even a PSA 9 ($46.50) 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)
- $7.37
- PSA 10
- $251
- PSA 9
- $46.50
- Gem premium
- 34×
- 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 | $251 | +$219 | +$194 | +$93.94 |
| PSA 9 | $46.50 | +$14.13 | −$10.87 | −$111 |
| PSA 8 | $17.15 | −$15.22 | −$40.22 | −$140 |
Net = sale price − $7.37 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% | $97.70 | +$40.33 |
| 50% | $149 | +$91.53 |
| 75% | $200 | +$143 |
Break-even gem rate at the standard fee: about 5%. 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 | $327 | best | 55/45 | 70/30 |
| PSA 10 | $251 | −$75.69 | 55/45 | 75/25 |
| CGC 10 | $151 | −$176 | 55/45 | 75/25 |
| SGC 10 | $151 | −$176 | 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 1983 Kellogg's cards worth checking
Full set checklist →Grading Nolan Ryan #31 — FAQ
Is Nolan Ryan #31 worth grading?
A PSA 10 Nolan Ryan #31 sells for $251 against $7.37 raw: a $244 spread, 34× the ungraded price. Even a PSA 9 ($46.50) 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 Nolan Ryan #31 worth compared with raw?
A PSA 10 Nolan Ryan #31 (Baseball Cards 1983 Kellogg's) sells for about $251 versus $7.37 for a raw near-mint copy — a 34× premium as of Sep 4, 2026.
Which grading company is best for Nolan Ryan #31?
By resale value, BGS 10 leads at $327, ahead of PSA 10 at $251. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Nolan Ryan #31 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 Nolan Ryan #31 break even?
At a standard ~$50 fee, submitting Nolan Ryan #31 breaks even when it gems about 5% of the time (a miss assumed to sell at the PSA 9 price of $46.50).
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