![Saquon Barkley [Press Proof Blue] #306 (Football Cards 2018 Donruss) — is it worth grading?](https://i.ebayimg.com/images/g/xw0AAeSw46RqUPvi/s-l1600.jpg)
Is Saquon Barkley [Press Proof Blue] #306 worth grading?
Football · Football Cards 2018 Donruss · full price guide →
Worth grading only if it gems
A PSA 10 Saquon Barkley [Press Proof Blue] #306 brings $54.50 versus $18.95 raw — a $35.55 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($24.90) only about breaks even after fees, so the case rests on gemming.
- Raw (NM)
- $18.95
- PSA 10
- $54.50
- PSA 9
- $24.90
- Gem premium
- 2.9×
- 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 | $54.50 | +$10.55 | −$14.45 | −$114 |
| PSA 9 | $24.90 | −$19.05 | −$44.05 | −$144 |
| PSA 8 | $15.22 | −$28.73 | −$53.73 | −$154 |
Net = sale price − $18.95 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% | $32.30 | −$36.65 |
| 50% | $39.70 | −$29.25 |
| 75% | $47.10 | −$21.85 |
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 | $71.00 | best | 55/45 | 70/30 |
| PSA 10 | $54.50 | −$16.50 | 55/45 | 75/25 |
| SGC 10 | $44.12 | −$26.88 | 55/45 | 75/25 |
| CGC 10 | $14.55 | −$56.45 | 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 | $54.50 | $14.55 | $71.00 | $44.12 | — |
| 9.5 | — | — | — | — | $53.00 |
| 9 | — | — | — | — | $24.90 |
| 8 | — | — | — | — | $15.22 |
| 7 | — | — | — | — | $10.50 |
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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![Lamar Jackson [Press Proof Red] #317 2018 Donruss card](https://i.ebayimg.com/images/g/xSkAAeSwzGNqHyB3/s-l500.jpg)
![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)
![Josh Allen [Press Proof Green] #304 2018 Donruss card](https://i.ebayimg.com/images/g/picAAeSwYONpab5h/s-l500.jpg)
Grading Saquon Barkley [Press Proof Blue] #306 — FAQ
Is Saquon Barkley [Press Proof Blue] #306 worth grading?
A PSA 10 Saquon Barkley [Press Proof Blue] #306 brings $54.50 versus $18.95 raw — a $35.55 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($24.90) only about breaks even after fees, so the case rests on gemming.
How much is a PSA 10 Saquon Barkley [Press Proof Blue] #306 worth compared with raw?
A PSA 10 Saquon Barkley [Press Proof Blue] #306 (Football Cards 2018 Donruss) sells for about $54.50 versus $18.95 for a raw near-mint copy — a 2.9× premium as of Jul 11, 2026.
Which grading company is best for Saquon Barkley [Press Proof Blue] #306?
By resale value, BGS 10 leads at $71.00, ahead of PSA 10 at $54.50. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Saquon Barkley [Press Proof Blue] #306 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 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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