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Luis Robert #8 (Baseball Cards 2018 Bowman Platinum Top Prospects) — is it worth grading?

Is Luis Robert #8 worth grading?

Baseball · Baseball Cards 2018 Bowman Platinum Top Prospects · full price guide →

Grading rarely pays for this card

PSA 10 copies of Luis Robert #8 sell for $14.50, only $12.91 above the $1.59 raw price — less than an economy-tier grading fee. A PSA 9 ($7.68) only about breaks even after fees, so the case rests on gemming. Keep it raw unless you are grading for the slab itself.

Raw (NM)
$1.59
PSA 10
$14.50
PSA 9
$7.68
Gem premium
9.1×
As of
Jul 11, 2026

Break-even by outcome and fee

Luis Robert #8: net result of grading versus selling raw, by outcome and fee tier
If it comes back…Sells forEconomy / bulk (~$25.00)Standard (~$50.00)Express (~$150)
Gem — PSA 10$14.50−$12.09−$37.09−$137
PSA 9$7.68−$18.91−$43.91−$144
PSA 8$5.40−$21.19−$46.19−$146

Net = sale price − $1.59 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?

Luis Robert #8: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$9.38−$42.20
50%$11.09−$40.50
75%$12.79−$38.80

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
Luis Robert #8: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$19.00best55/4570/30
PSA 10$14.50−$4.5055/4575/25
CGC 10$9.00−$10.0055/4575/25
SGC 10$9.00−$10.0055/4575/25

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.

Luis Robert #8 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$14.50$9.00$19.00$9.00
9.5$8.00
9$7.68
8$5.40

Run your own numbers

Should I pay this?

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Grading Luis Robert #8 — FAQ

Is Luis Robert #8 worth grading?

PSA 10 copies of Luis Robert #8 sell for $14.50, only $12.91 above the $1.59 raw price — less than an economy-tier grading fee. A PSA 9 ($7.68) only about breaks even after fees, so the case rests on gemming. Keep it raw unless you are grading for the slab itself.

How much is a PSA 10 Luis Robert #8 worth compared with raw?

A PSA 10 Luis Robert #8 (Baseball Cards 2018 Bowman Platinum Top Prospects) sells for about $14.50 versus $1.59 for a raw near-mint copy — a 9.1× premium as of Jul 11, 2026.

Which grading company is best for Luis Robert #8?

By resale value, BGS 10 leads at $19.00, ahead of PSA 10 at $14.50. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Luis Robert #8 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 baseball 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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