Is Peter Alonso [Autograph Blue] #15 worth grading?
Baseball · Baseball Cards 2018 Bowman Platinum Top Prospects · full price guide →
Strong grading candidate — 4.1× premium in PSA 10
A PSA 10 Peter Alonso [Autograph Blue] #15 sells for $150 against $37.00 raw: a $113 spread, 4.1× the ungraded price. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
- Raw (NM)
- $37.00
- PSA 10
- $150
- Gem premium
- 4.1×
- 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 — PSA 10 | $150 | +$87.99 | +$62.99 | −$37.01 |
| PSA 8 | $29.00 | −$33.00 | −$58.00 | −$158 |
Net = sale price − $37.00 raw value − fee. Fee tiers are illustrative; plug your grader's current price into the calculator below.
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 | $195 | best | 55/45 | 70/30 |
| PSA 10 | $150 | −$45.01 | 55/45 | 75/25 |
| CGC 10 | $90.00 | −$105 | 55/45 | 75/25 |
| SGC 10 | $90.00 | −$105 | 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.
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Grading Peter Alonso [Autograph Blue] #15 — FAQ
Is Peter Alonso [Autograph Blue] #15 worth grading?
A PSA 10 Peter Alonso [Autograph Blue] #15 sells for $150 against $37.00 raw: a $113 spread, 4.1× the ungraded price. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
How much is a PSA 10 Peter Alonso [Autograph Blue] #15 worth compared with raw?
A PSA 10 Peter Alonso [Autograph Blue] #15 (Baseball Cards 2018 Bowman Platinum Top Prospects) sells for about $150 versus $37.00 for a raw near-mint copy — a 4.1× premium as of Sep 3, 2026.
Which grading company is best for Peter Alonso [Autograph Blue] #15?
By resale value, BGS 10 leads at $195, ahead of PSA 10 at $150. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Peter Alonso [Autograph Blue] #15 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.
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