There are 10 James Cowser trading cards tracked on HobbyCardIndex, spanning Football. The most valuable is the James Cowser [Hyper] #80 at $9.74 raw.
Source: HobbyCardIndex · Updated daily · https://hobbycardindex.com/players/james-cowserJames Cowser Cards
10 cards · Football
All James Cowser Cards
James Cowser [Hyper] #80
$9.74
James Cowser [Galactic] #80
$7.06
James Cowser [Impact] #80
$6.28
James Cowser [Whirl] #80
$3.50
James Cowser [Cosmos] #80
$2.18
James Cowser [Astral] #80
$2.12
James Cowser [Groove] #80
$1.99
James Cowser [Flight] #80
$1.99
James Cowser [Infinite] #80
$1.25
James Cowser #80
$0.98