![Baker Mayfield [Press Proof Blue] #303 (Football Cards 2018 Donruss) — is it worth grading?](https://i.ebayimg.com/images/g/ZDIAAeSwUD9qRqQp/s-l1600.jpg)
Is Baker Mayfield [Press Proof Blue] #303 worth grading?
Football · Football Cards 2018 Donruss · full price guide →
Strong grading candidate — 4.3× premium in PSA 10
A PSA 10 Baker Mayfield [Press Proof Blue] #303 sells for $75.00 against $17.49 raw: a $57.51 spread, 4.3× the ungraded price. A PSA 9 ($35.01) 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)
- $17.49
- PSA 10
- $75.00
- PSA 9
- $35.01
- Gem premium
- 4.3×
- 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 | $75.00 | +$32.51 | +$7.51 | −$92.49 |
| PSA 9 | $35.01 | −$7.48 | −$32.48 | −$132 |
| PSA 8 | $30.39 | −$12.10 | −$37.10 | −$137 |
Net = sale price − $17.49 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% | $45.01 | −$22.48 |
| 50% | $55.00 | −$12.48 |
| 75% | $65.00 | −$2.49 |
Break-even gem rate at the standard fee: about 81%. Centering is the usual reason a clean copy misses — measure it before you decide.
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 | $98.00 | best | 55/45 | 70/30 |
| PSA 10 | $75.00 | −$23.00 | 55/45 | 75/25 |
| SGC 10 | $67.99 | −$30.01 | 55/45 | 75/25 |
| CGC 10 | $45.00 | −$53.00 | 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 | $75.00 | $45.00 | $98.00 | $67.99 | — |
| 9.5 | — | — | — | — | $44.91 |
| 9 | — | — | — | — | $35.01 |
| 8 | — | — | — | — | $30.39 |
| 7 | — | — | — | — | $7.99 |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other 2018 Donruss cards worth checking
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![Josh Allen [Press Proof Blue] #304 2018 Donruss card](https://i.ebayimg.com/images/g/UUwAAeSwe5tqKn9r/s-l500.jpg)
![Josh Allen [Press Proof Red] #304 2018 Donruss card](https://i.ebayimg.com/images/g/dQMAAeSwqjNpqPdp/s-l500.jpg)
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Grading Baker Mayfield [Press Proof Blue] #303 — FAQ
Is Baker Mayfield [Press Proof Blue] #303 worth grading?
A PSA 10 Baker Mayfield [Press Proof Blue] #303 sells for $75.00 against $17.49 raw: a $57.51 spread, 4.3× the ungraded price. A PSA 9 ($35.01) 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 Baker Mayfield [Press Proof Blue] #303 worth compared with raw?
A PSA 10 Baker Mayfield [Press Proof Blue] #303 (Football Cards 2018 Donruss) sells for about $75.00 versus $17.49 for a raw near-mint copy — a 4.3× premium as of Jul 11, 2026.
Which grading company is best for Baker Mayfield [Press Proof Blue] #303?
By resale value, BGS 10 leads at $98.00, ahead of PSA 10 at $75.00. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Baker Mayfield [Press Proof Blue] #303 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.
What gem rate makes grading Baker Mayfield [Press Proof Blue] #303 break even?
At a standard ~$50 fee, submitting Baker Mayfield [Press Proof Blue] #303 breaks even when it gems about 81% of the time (a miss assumed to sell at the PSA 9 price of $35.01).
Is your football 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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