There are 9 Walter Powell trading cards tracked on HobbyCardIndex, spanning Football. The most valuable is the Walter Powell [Retail Pink] #188 at $29.29 raw.
Source: HobbyCardIndex · Updated daily · https://hobbycardindex.com/players/walter-powellWalter Powell Cards
9 cards · Football
All Walter Powell Cards
Walter Powell [Retail Pink] #188
$29.29
Walter Powell [Purple] #188
$14.85
Walter Powell [Retail Red Holofoil] #188
$5.00
Walter Powell [Gold] #188
$2.84
Walter Powell [Retail Blue Holofoil] #188
$2.54
Walter Powell [Retail Bronze] #188
$2.50
Walter Powell [Silver Holofoil] #188
$2.00
Walter Powell #188
$1.12
Walter Powell [Retail Red] #188
$0.99