Is The Dynamic Duo: Will Clark / Kevin Mitchell #637 worth grading?
Baseball · Baseball Cards 1990 Fleer · full price guide →
Grading rarely pays for this card
PSA 10 copies of The Dynamic Duo: Will Clark / Kevin Mitchell #637 sell for $23.03, only $22.04 above the $0.99 raw price — less than an economy-tier grading fee. A PSA 9 ($16.01) only about breaks even after fees, so the case rests on gemming. Keep it raw unless you are grading for the slab itself.
- Raw (NM)
- $0.99
- PSA 10
- $23.03
- PSA 9
- $16.01
- Gem premium
- 23×
- 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 | $23.03 | −$2.96 | −$27.96 | −$128 |
| PSA 9 | $16.01 | −$9.98 | −$34.98 | −$135 |
| PSA 8 | $7.68 | −$18.31 | −$43.31 | −$143 |
Net = sale price − $0.99 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% | $17.77 | −$33.22 |
| 50% | $19.52 | −$31.47 |
| 75% | $21.28 | −$29.71 |
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 | $30.00 | best | 55/45 | 70/30 |
| PSA 10 | $23.03 | −$6.97 | 55/45 | 75/25 |
| CGC 10 | $14.00 | −$16.00 | 55/45 | 75/25 |
| SGC 10 | $14.00 | −$16.00 | 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.
Full grade ladder
Raw conditions & history →| Grade | PSA | CGC | BGS | SGC | Graded |
|---|---|---|---|---|---|
| 10 | $23.03 | $14.00 | $30.00 | $14.00 | — |
| 9.5 | — | — | — | — | $23.00 |
| 9 | — | — | — | — | $16.01 |
| 8 | — | — | — | — | $7.68 |
Run your own numbers
Should I pay this?
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Grading The Dynamic Duo: Will Clark / Kevin Mitchell #637 — FAQ
Is The Dynamic Duo: Will Clark / Kevin Mitchell #637 worth grading?
PSA 10 copies of The Dynamic Duo: Will Clark / Kevin Mitchell #637 sell for $23.03, only $22.04 above the $0.99 raw price — less than an economy-tier grading fee. A PSA 9 ($16.01) only about breaks even after fees, so the case rests on gemming. Keep it raw unless you are grading for the slab itself.
How much is a PSA 10 The Dynamic Duo: Will Clark / Kevin Mitchell #637 worth compared with raw?
A PSA 10 The Dynamic Duo: Will Clark / Kevin Mitchell #637 (Baseball Cards 1990 Fleer) sells for about $23.03 versus $0.99 for a raw near-mint copy — a 23× premium as of Jul 11, 2026.
Which grading company is best for The Dynamic Duo: Will Clark / Kevin Mitchell #637?
By resale value, BGS 10 leads at $30.00, ahead of PSA 10 at $23.03. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does The Dynamic Duo: Will Clark / Kevin Mitchell #637 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.
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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