There are 10 Rhett Gardner trading cards tracked on HobbyCardIndex, spanning Hockey. The most valuable is the Rhett Gardner [High Gloss] #465 at $76.44 raw.
Source: HobbyCardIndex · Updated daily · https://hobbycardindex.com/players/rhett-gardnerRhett Gardner Cards
10 cards · Hockey
All Rhett Gardner Cards
Rhett Gardner [High Gloss] #465
$76.44
Rhett Gardner #119
$16.30
Rhett Gardner [Speckled Rainbow Foil] #465
$15.77
Rhett Gardner [UD Exclusives] #465
$8.63
Rhett Gardner [Clear Cut UD Exclusives] #465
$6.50
Rhett Gardner [Clear Cut] #465
$4.91
Rhett Gardner #AF-RG
$1.94
Rhett Gardner [Silver Foil] #465
$1.77
Rhett Gardner #465
$1.67
Rhett Gardner #238
$1.03