Is Bob Knepper #93 worth grading?
Baseball · Baseball Cards 1984 Topps · full price guide →
Strong grading candidate — 101× premium in PSA 10
A PSA 10 Bob Knepper #93 sells for $150 against $1.48 raw: a $149 spread, 101× the ungraded price. A PSA 9 ($6.50) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
- Raw (NM)
- $1.48
- PSA 10
- $150
- PSA 9
- $6.50
- Gem premium
- 101×
- As of
- Sep 2, 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 | $150 | +$124 | +$98.51 | −$1.49 |
| PSA 9 | $6.50 | −$19.98 | −$44.98 | −$145 |
Net = sale price − $1.48 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% | $42.37 | −$9.11 |
| 50% | $78.25 | +$26.77 |
| 75% | $114 | +$62.64 |
Break-even gem rate at the standard fee: about 31%. 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 | $195 | best | 55/45 | 70/30 |
| PSA 10 | $150 | −$45.01 | 55/45 | 75/25 |
| CGC 10 | $90.00 | −$105 | 55/45 | 75/25 |
| SGC 10 | $90.00 | −$105 | 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 Bob Knepper #93 — FAQ
Is Bob Knepper #93 worth grading?
A PSA 10 Bob Knepper #93 sells for $150 against $1.48 raw: a $149 spread, 101× the ungraded price. A PSA 9 ($6.50) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
How much is a PSA 10 Bob Knepper #93 worth compared with raw?
A PSA 10 Bob Knepper #93 (Baseball Cards 1984 Topps) sells for about $150 versus $1.48 for a raw near-mint copy — a 101× premium as of Sep 2, 2026.
Which grading company is best for Bob Knepper #93?
By resale value, BGS 10 leads at $195, ahead of PSA 10 at $150. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Bob Knepper #93 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 Bob Knepper #93 break even?
At a standard ~$50 fee, submitting Bob Knepper #93 breaks even when it gems about 31% of the time (a miss assumed to sell at the PSA 9 price of $6.50).
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