Is Jerry Koosman #184 worth grading?
Baseball · Baseball Cards 1973 Topps · full price guide →
Worth grading — even a PSA 9 beats raw
A PSA 10 Jerry Koosman #184 sells for $279 against $2.25 raw: a $277 spread, 124× the ungraded price. Even a PSA 9 ($43.88) 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
- $279
- PSA 9
- $43.88
- Gem premium
- 124×
- As of
- Sep 3, 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 | $279 | +$252 | +$227 | +$127 |
| PSA 9 | $43.88 | +$16.63 | −$8.37 | −$108 |
| PSA 8 | $20.50 | −$6.75 | −$31.75 | −$132 |
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% | $103 | +$50.43 |
| 50% | $161 | +$109 |
| 75% | $220 | +$168 |
Break-even gem rate at the standard fee: about 4%. 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 | $363 | best | 55/45 | 70/30 |
| PSA 10 | $279 | −$83.94 | 55/45 | 75/25 |
| CGC 10 | $167 | −$196 | 55/45 | 75/25 |
| SGC 10 | $167 | −$196 | 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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Grading Jerry Koosman #184 — FAQ
Is Jerry Koosman #184 worth grading?
A PSA 10 Jerry Koosman #184 sells for $279 against $2.25 raw: a $277 spread, 124× the ungraded price. Even a PSA 9 ($43.88) 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 Jerry Koosman #184 worth compared with raw?
A PSA 10 Jerry Koosman #184 (Baseball Cards 1973 Topps) sells for about $279 versus $2.25 for a raw near-mint copy — a 124× premium as of Sep 3, 2026.
Which grading company is best for Jerry Koosman #184?
By resale value, BGS 10 leads at $363, ahead of PSA 10 at $279. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Jerry Koosman #184 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 Jerry Koosman #184 break even?
At a standard ~$50 fee, submitting Jerry Koosman #184 breaks even when it gems about 4% of the time (a miss assumed to sell at the PSA 9 price of $43.88).
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