There are 10 John Harbaugh trading cards tracked on HobbyCardIndex, spanning Football. The most valuable is the John Harbaugh [Gold Refractor] #BC217 at $69.50 raw.
Source: HobbyCardIndex · Updated daily · https://hobbycardindex.com/players/john-harbaughJohn Harbaugh Cards
10 cards · Football
All John Harbaugh Cards
John Harbaugh [Gold Refractor] #BC217
$69.50
John Harbaugh [Orange Refractor] #BC217
$49.58
John Harbaugh [Gold] #107
$9.66
John Harbaugh [Xfractor] #BC217
$9.15
John Harbaugh [Blue Refractor] #BC217
$6.11
John Harbaugh #BC217
$5.07
John Harbaugh [Blue] #107
$4.53
John Harbaugh #107
$4.49
John Harbaugh [Refractor] #BC217
$3.82
John Harbaugh [Orange] #107
$2.50