![Brian Bosworth [Error] #391 (Football Cards 1989 Pro Set) — is it worth grading?](https://i.ebayimg.com/images/g/V38AAeSwtb5qKyBr/s-l1600.jpg)
Is Brian Bosworth [Error] #391 worth grading?
Football · Football Cards 1989 Pro Set · full price guide →
Worth grading — even a PSA 9 beats raw
A PSA 10 Brian Bosworth [Error] #391 sells for $42.00 against $2.73 raw: a $39.27 spread, 15× the ungraded price. Even a PSA 9 ($35.34) 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)
- $2.73
- PSA 10
- $42.00
- PSA 9
- $35.34
- Gem premium
- 15×
- 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 | $42.00 | +$14.27 | −$10.73 | −$111 |
| PSA 9 | $35.34 | +$7.61 | −$17.39 | −$117 |
| PSA 8 | $3.13 | −$24.60 | −$49.60 | −$150 |
Net = sale price − $2.73 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% | $37.01 | −$15.72 |
| 50% | $38.67 | −$14.06 |
| 75% | $40.34 | −$12.39 |
At the standard fee this submission does not break even at any realistic gem rate unless the miss lands above the 9 price.
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 | $55.00 | best | 55/45 | 70/30 |
| PSA 10 | $42.00 | −$13.00 | 55/45 | 75/25 |
| CGC 10 | $25.00 | −$30.00 | 55/45 | 75/25 |
| SGC 10 | $25.00 | −$30.00 | 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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Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other 1989 Pro Set cards worth checking
Full set checklist →![Stacey Toran [Banner] #193 1989 Pro Set card](https://i.ebayimg.com/images/g/4UkAAeSwkxNqFH7q/s-l500.jpg)
![John Elway [Error] #100 1989 Pro Set card](https://i.ebayimg.com/images/g/0VAAAeSwPL5qCnp8/s-l500.jpg)
Grading Brian Bosworth [Error] #391 — FAQ
Is Brian Bosworth [Error] #391 worth grading?
A PSA 10 Brian Bosworth [Error] #391 sells for $42.00 against $2.73 raw: a $39.27 spread, 15× the ungraded price. Even a PSA 9 ($35.34) 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 Brian Bosworth [Error] #391 worth compared with raw?
A PSA 10 Brian Bosworth [Error] #391 (Football Cards 1989 Pro Set) sells for about $42.00 versus $2.73 for a raw near-mint copy — a 15× premium as of Jul 11, 2026.
Which grading company is best for Brian Bosworth [Error] #391?
By resale value, BGS 10 leads at $55.00, ahead of PSA 10 at $42.00. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Brian Bosworth [Error] #391 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.
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