Is Kelly Gruber #388 worth grading?
Baseball · Baseball Cards 1991 Topps · full price guide →
Grading rarely pays for this card
Grade 8 copies of Kelly Gruber #388 sell for $3.94, only $2.72 above the $1.22 raw price — less than an economy-tier grading fee. Keep it raw unless you are grading for the slab itself.
- Raw (NM)
- $1.22
- Grade 8
- $3.94
- Gem premium
- 3.2×
- 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 — Grade 8 | $3.94 | −$22.28 | −$47.28 | −$147 |
| PSA 8 | $3.94 | −$22.28 | −$47.28 | −$147 |
Net = sale price − $1.22 raw value − fee. Fee tiers are illustrative; plug your grader's current price into the calculator below.
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 |
|---|---|---|---|---|
| SGC 10 | $3.26 | best | 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.
Full grade ladder
Raw conditions & history →Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other 1991 Topps cards worth checking
Full set checklist →![Checklist 4 [Kevin McReynolds 719] #527 1991 Topps card](https://i.ebayimg.com/images/g/NzsAAeSwfZRqVVSy/s-l500.jpg)
Grading Kelly Gruber #388 — FAQ
Is Kelly Gruber #388 worth grading?
Grade 8 copies of Kelly Gruber #388 sell for $3.94, only $2.72 above the $1.22 raw price — less than an economy-tier grading fee. Keep it raw unless you are grading for the slab itself.
What centering does Kelly Gruber #388 need for a SGC 10?
SGC publishes 55/45 front and 75/25 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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Scan with your camera to measure centering to the millimeter, get an AI grade with corner and edge close-ups, see what your copy is worth, and track it in your portfolio. Free to start.
