Cards › 2024 Bowman Chrome University Kon Knueppel #48 X-Fractor

Is the 2024 Bowman Chrome University Kon Knueppel #48 X-Fractor worth grading?

Live market numbers as of 2026-08-14 — raw vs. graded value, PSA 10 gem rate, and the breakeven math.

Raw value

$4.56

PSA 9 value

$20.00

PSA 10 value

$121.75

PSA 10 gem rate

66.1%

Based on the numbers below, this card is a strong grading candidate at current prices: a PSA 10 nets an estimated $69 profit and 66.1% of recent submissions gemmed.

The breakeven math

Line item	Amount
Raw purchase	$4.56
Sales tax (8%)	$0.36
Grading fee (value tier)	$25.00
Shipping	$5.00
Total cost basis	$34.92
Net at PSA 10 (85% payout)	+$68.56 (+196%)
Net at PSA 9 (the downside case)	−$17.92

Assumptions: $25 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 (56 graded submissions). Not investment advice — grading outcomes are probabilistic and markets move. © Summit Sports Cards · About · Pricing