Cards › 2025 Bowman Crystallized NBA Kon Knueppel #CNB-4 Gold Crystal

Is the 2025 Bowman Crystallized NBA Kon Knueppel #CNB-4 Gold Crystal worth grading?

Live market numbers as of 2026-10-21 — raw vs. graded value, PSA 10 gem rate, and the breakeven math.

Raw value

$2,425.00

PSA 9 value

$2,999.99

PSA 10 value

$10,706.29

PSA 10 gem rate

88.9%

Based on the numbers below, this card is a strong grading candidate at current prices: a PSA 10 nets an estimated $6,396 profit and 88.9% of recent submissions gemmed.

The breakeven math

Line item	Amount
Raw purchase	$2,425.00
Sales tax (8%)	$194.00
Grading fee (priority tier)	$80.00
Shipping	$5.00
Total cost basis	$2,704.00
Net at PSA 10 (85% payout)	+$6,396.35 (+237%)
Net at PSA 9 (the downside case)	−$154.01

Assumptions: $80 grading, $5 shipping, 8% tax on the raw purchase, and keeping 85% of the sale after marketplace fees. Your numbers will differ — run them below.

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Card pricing data provided by SportsCardsPro, a service of PriceCharting. Gem rates reflect recent PSA population data (9 graded submissions). Not investment advice — grading outcomes are probabilistic and markets move. © Summit Sports Cards · About · Pricing