Is Kirk Gibson #666 worth grading?
Baseball · Baseball Cards 1989 Upper Deck · full price guide →
Strong grading candidate — 28× premium in PSA 10
A PSA 10 Kirk Gibson #666 sells for $49.99 against $1.78 raw: a $48.21 spread, 28× the ungraded price. A PSA 9 ($19.99) 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)
- $1.78
- PSA 10
- $49.99
- PSA 9
- $19.99
- Gem premium
- 28×
- 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 | $49.99 | +$23.21 | −$1.79 | −$102 |
| PSA 9 | $19.99 | −$6.79 | −$31.79 | −$132 |
| PSA 8 | $14.00 | −$12.78 | −$37.78 | −$138 |
Net = sale price − $1.78 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% | $27.49 | −$24.29 |
| 50% | $34.99 | −$16.79 |
| 75% | $42.49 | −$9.29 |
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 |
|---|---|---|---|---|
| SGC 10 | $99.93 | best | 55/45 | 75/25 |
| BGS 10 | $65.00 | −$34.93 | 55/45 | 70/30 |
| PSA 10 | $49.99 | −$49.94 | 55/45 | 75/25 |
| CGC 10 | $30.00 | −$69.93 | 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 →| Grade | PSA | CGC | BGS | SGC | Graded |
|---|---|---|---|---|---|
| 10 | $49.99 | $30.00 | $65.00 | $99.93 | — |
| 9.5 | — | — | — | — | $32.57 |
| 9 | — | — | — | — | $19.99 |
| 8 | — | — | — | — | $14.00 |
| 7 | — | — | — | — | $5.50 |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other 1989 Upper Deck cards worth checking
Full set checklist →![Gary Varsho [Mike Bielecki] #321 1989 Upper Deck card](https://i.ebayimg.com/images/g/kMcAAOSw6w5n8BiK/s-l500.jpg)
![Gary Sheffield [Upside Down] #13 1989 Upper Deck card](https://i.ebayimg.com/images/g/cXUAAeSwU7xqV9Kw/s-l500.jpg)
Grading Kirk Gibson #666 — FAQ
Is Kirk Gibson #666 worth grading?
A PSA 10 Kirk Gibson #666 sells for $49.99 against $1.78 raw: a $48.21 spread, 28× the ungraded price. A PSA 9 ($19.99) 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 Kirk Gibson #666 worth compared with raw?
A PSA 10 Kirk Gibson #666 (Baseball Cards 1989 Upper Deck) sells for about $49.99 versus $1.78 for a raw near-mint copy — a 28× premium as of Jul 11, 2026.
Which grading company is best for Kirk Gibson #666?
By resale value, SGC 10 leads at $99.93, ahead of BGS 10 at $65.00. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Kirk Gibson #666 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.
Is your baseball card centered well enough to grade?
Centering makes or breaks a PSA 10. Scan any card with Midpoint to measure its exact centering, get a grade estimate, and see what your copy is actually worth.
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