There are 13 John Capel trading cards tracked on HobbyCardIndex, spanning Football. The most valuable is the John Capel [Black Refractor] #312 at $19.99 raw.
Source: HobbyCardIndex · Updated daily · https://hobbycardindex.com/players/john-capelJohn Capel Cards
13 cards · Football
All John Capel Cards
John Capel [Black Refractor] #312
$19.99
John Capel [Gold Refractor] #151
$7.77
John Capel [Xfractor] #151
$3.99
John Capel [Rookie Refractor] #312
$3.53
John Capel #275
$2.49
John Capel #133
$1.83
John Capel #151
$1.79
John Capel #171
$1.00
John Capel [Chicago Bears] #291
$0.99
John Capel #155
$0.99
John Capel #291
$0.25
John Capel #281
$0.25
John Capel [Gold] #171
$0.25