Is Zack Gelof #WBC-37 worth grading?
Baseball · Baseball Cards 2023 Bowman Chrome WBC Flag Refractor · full price guide →
Strong grading candidate — 4.6× premium in PSA 10
A PSA 10 Zack Gelof #WBC-37 sells for $70.00 against $15.19 raw: a $54.81 spread, 4.6× the ungraded price. A PSA 9 ($28.87) 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)
- $15.19
- PSA 10
- $70.00
- PSA 9
- $28.87
- Gem premium
- 4.6×
- 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 — PSA 10 | $70.00 | +$29.81 | +$4.81 | −$95.19 |
| PSA 9 | $28.87 | −$11.32 | −$36.32 | −$136 |
| PSA 8 | $17.33 | −$22.86 | −$47.86 | −$148 |
Net = sale price − $15.19 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% | $39.15 | −$26.04 |
| 50% | $49.44 | −$15.75 |
| 75% | $59.72 | −$5.47 |
Break-even gem rate at the standard fee: about 88%. 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 | $91.00 | best | 55/45 | 70/30 |
| PSA 10 | $70.00 | −$21.00 | 55/45 | 75/25 |
| CGC 10 | $42.00 | −$49.00 | 55/45 | 75/25 |
| SGC 10 | $3.25 | −$87.75 | 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 Zack Gelof #WBC-37 — FAQ
Is Zack Gelof #WBC-37 worth grading?
A PSA 10 Zack Gelof #WBC-37 sells for $70.00 against $15.19 raw: a $54.81 spread, 4.6× the ungraded price. A PSA 9 ($28.87) 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 Zack Gelof #WBC-37 worth compared with raw?
A PSA 10 Zack Gelof #WBC-37 (Baseball Cards 2023 Bowman Chrome WBC Flag Refractor) sells for about $70.00 versus $15.19 for a raw near-mint copy — a 4.6× premium as of Sep 4, 2026.
Which grading company is best for Zack Gelof #WBC-37?
By resale value, BGS 10 leads at $91.00, ahead of PSA 10 at $70.00. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Zack Gelof #WBC-37 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 Zack Gelof #WBC-37 break even?
At a standard ~$50 fee, submitting Zack Gelof #WBC-37 breaks even when it gems about 88% of the time (a miss assumed to sell at the PSA 9 price of $28.87).
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