There are 2 James Jeffries trading cards tracked on HobbyCardIndex, spanning Boxing. The most valuable is the James Jeffries #5 at $5.60 raw.

Source: HobbyCardIndex · Updated daily · https://hobbycardindex.com/players/james-jeffries

James Jeffries Cards

Name: James Jeffries Card Price Index — Historical Data
Creator: HobbyCardIndex
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2 cards · Boxing

All James Jeffries Cards