There are 1 Ken Allen trading cards tracked on HobbyCardIndex, spanning Baseball. The most valuable is the Ken Allen #BAN-9 at $1.99 raw.

Source: HobbyCardIndex · Updated daily · https://hobbycardindex.com/players/ken-allen

Ken Allen Cards

Name: Ken Allen Card Price Index — Historical Data
Creator: HobbyCardIndex
License: https://hobbycardindex.com/legal/terms

1 cards · Baseball

All Ken Allen Cards