There are 1 William Clark trading cards tracked on HobbyCardIndex, spanning Baseball. The most valuable is the William Clark #NS-34 at $2.23 raw.

Source: HobbyCardIndex · Updated daily · https://hobbycardindex.com/players/william-clark

William Clark Cards

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

1 cards · Baseball

All William Clark Cards