![Mike Stanton [Green Century Proof] #144 (Baseball Cards 2008 Donruss Threads) — is it worth grading?](https://i.ebayimg.com/images/g/5SgAAOSwLCNoThVy/s-l1600.jpg)
Is Mike Stanton [Green Century Proof] #144 worth grading?
Baseball · Baseball Cards 2008 Donruss Threads · full price guide →
Strong grading candidate — 58× premium in Grade 9.5
A Grade 9.5 Mike Stanton [Green Century Proof] #144 sells for $200 against $3.42 raw: a $197 spread, 58× the ungraded price. A PSA 9 ($11.16) 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)
- $3.42
- Grade 9.5
- $200
- PSA 9
- $11.16
- Gem premium
- 58×
- 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 9.5 | $200 | +$172 | +$147 | +$46.57 |
| PSA 9 | $11.16 | −$17.26 | −$42.26 | −$142 |
Net = sale price − $3.42 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% | $58.37 | +$4.95 |
| 50% | $106 | +$52.16 |
| 75% | $153 | +$99.36 |
Break-even gem rate at the standard fee: about 22%. Centering is the usual reason a clean copy misses — measure it before you decide.
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Other 2008 Donruss Threads cards worth checking
Full set checklist →![Mike Stanton [Autograph] #144 2008 Donruss Threads card](https://i.ebayimg.com/images/g/iR4AAeSw7RNqjlGr/s-l500.jpg)
Grading Mike Stanton [Green Century Proof] #144 — FAQ
Is Mike Stanton [Green Century Proof] #144 worth grading?
A Grade 9.5 Mike Stanton [Green Century Proof] #144 sells for $200 against $3.42 raw: a $197 spread, 58× the ungraded price. A PSA 9 ($11.16) 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.
What gem rate makes grading Mike Stanton [Green Century Proof] #144 break even?
At a standard ~$50 fee, submitting Mike Stanton [Green Century Proof] #144 breaks even when it gems about 22% of the time (a miss assumed to sell at the PSA 9 price of $11.16).
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