
Is Tony Gwynn worth grading?
Baseball · Baseball Cards 1998 Donruss Signature Millennium Marks · full price guide →
Worth grading only if it gems
A Grade 7 Tony Gwynn brings $250 versus $178 raw — a $72.49 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($120) sells for less than raw, so anything short of a 10 loses money.
- Raw (NM)
- $178
- Grade 7
- $250
- PSA 9
- $120
- Gem premium
- 1.4×
- 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 7 | $250 | +$47.49 | +$22.49 | −$77.51 |
| PSA 9 | $120 | −$82.26 | −$107 | −$207 |
Net = sale price − $178 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% | $153 | −$74.82 |
| 50% | $185 | −$42.38 |
| 75% | $218 | −$9.95 |
Break-even gem rate at the standard fee: about 83%. Centering is the usual reason a clean copy misses — measure it before you decide.
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Raw conditions & history →Run your own numbers
Should I pay this?
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Other 1998 Donruss Signature Millennium Marks cards worth checking
Full set checklist →Grading Tony Gwynn — FAQ
Is Tony Gwynn worth grading?
A Grade 7 Tony Gwynn brings $250 versus $178 raw — a $72.49 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($120) sells for less than raw, so anything short of a 10 loses money.
What gem rate makes grading Tony Gwynn break even?
At a standard ~$50 fee, submitting Tony Gwynn breaks even when it gems about 83% of the time (a miss assumed to sell at the PSA 9 price of $120).
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