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Zion Williamson #18 (Basketball Cards 2019 Panini Crown Royale Kaboom) — is it worth grading?

Is Zion Williamson #18 worth grading?

Basketball · Basketball Cards 2019 Panini Crown Royale Kaboom · full price guide →

Grading rarely pays for this card

PSA 10 copies of Zion Williamson #18 sell for $2,350, only $0.00 above the $3,600 raw price — less than an economy-tier grading fee. A PSA 9 ($1,050) sells for less than raw, so anything short of a 10 loses money. Keep it raw unless you are grading for the slab itself.

Raw (NM)
$3,600
PSA 10
$2,350
PSA 9
$1,050
Gem premium
0.7×
As of
Sep 4, 2026

Break-even by outcome and fee

Zion Williamson #18: 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$2,350−$1,275−$1,300−$1,400
PSA 9$1,050−$2,575−$2,600−$2,700

Net = sale price − $3,600 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?

Zion Williamson #18: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$1,375−$2,275
50%$1,700−$1,950
75%$2,025−$1,625

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 →
Zion Williamson #18: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$2,675best55/4570/30
PSA 10$2,350−$32555/4575/25
SGC 10$2,163−$51255/4575/25
CGC 10$1,410−$1,26555/4575/25

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.

Zion Williamson #18 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$2,350$1,410$2,675$2,163—
9.5————$1,626
9————$1,050

Swipe the table for the other grading companies →

Run your own numbers

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Other 2019 Panini Crown Royale Kaboom cards worth checking

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Grading Zion Williamson #18 — FAQ

Is Zion Williamson #18 worth grading?

PSA 10 copies of Zion Williamson #18 sell for $2,350, only $0.00 above the $3,600 raw price — less than an economy-tier grading fee. A PSA 9 ($1,050) sells for less than raw, so anything short of a 10 loses money. Keep it raw unless you are grading for the slab itself.

How much is a PSA 10 Zion Williamson #18 worth compared with raw?

A PSA 10 Zion Williamson #18 (Basketball Cards 2019 Panini Crown Royale Kaboom) sells for about $2,350 versus $3,600 for a raw near-mint copy — a 0.7× premium as of Sep 4, 2026.

Which grading company is best for Zion Williamson #18?

By resale value, BGS 10 leads at $2,675, ahead of PSA 10 at $2,350. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Zion Williamson #18 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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