Is Mike Schooler #637 worth grading?
Baseball · Baseball Cards 1989 Donruss · full price guide →
Grading rarely pays for this card
Grade 9.5 copies of Mike Schooler #637 sell for $24.00, only $22.21 above the $1.79 raw price — less than an economy-tier grading fee. A PSA 9 ($21.98) 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)
- $1.79
- Grade 9.5
- $24.00
- PSA 9
- $21.98
- Gem premium
- 13×
- As of
- Sep 4, 2026
Break-even by outcome and fee
| If it comes back… | Sells for | Economy / bulk (~$25.00) | Standard (~$50.00) | Express (~$150) |
|---|---|---|---|---|
| Gem — Grade 9.5 | $24.00 | −$2.79 | −$27.79 | −$128 |
| PSA 9 | $21.98 | −$4.81 | −$29.81 | −$130 |
Net = sale price − $1.79 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% | $22.48 | −$29.30 |
| 50% | $22.99 | −$28.80 |
| 75% | $23.50 | −$28.29 |
At the standard fee this submission does not break even at any realistic gem rate unless the miss lands above the 9 price.
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Grading Mike Schooler #637 — FAQ
Is Mike Schooler #637 worth grading?
Grade 9.5 copies of Mike Schooler #637 sell for $24.00, only $22.21 above the $1.79 raw price — less than an economy-tier grading fee. A PSA 9 ($21.98) only about breaks even after fees, so the case rests on gemming. Keep it raw unless you are grading for the slab itself.
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