There are 18 Roger Harper trading cards tracked on HobbyCardIndex, spanning Football. The most valuable is the Roger Harper #20 at $2.59 raw.
Source: HobbyCardIndex · Updated daily · https://hobbycardindex.com/players/roger-harperRoger Harper Cards
18 cards · Football
All Roger Harper Cards
Roger Harper #20
$2.59
Roger Harper #6
$1.99
Roger Harper #26
$1.84
Roger Harper #396
$1.75
Roger Harper #U159
$1.69
Roger Harper #20
$1.65
Roger Harper #116
$1.37
Roger Harper #479
$0.99
Roger Harper #10
$0.99
Roger Harper [Special Effects] #479
$0.99
Roger Harper #63
$0.73
Roger Harper #16
$0.68
Roger Harper #22
$0.25
Roger Harper #10
$0.25
Roger Harper [Colors] #396
$0.25
Roger Harper #343
$0.25
Roger Harper #45
$0.25
Roger Harper #19
$0.10