The Gadsden flag, proposing a rattlesnake and the word "Don't Tread on Me

https://manuelfrww118.lucialpiazzale.com/preserving-history-tips-for-collecting-civil-war-flags-1

The Gadsden flag, featuring a rattlesnake and the word "Don't Tread on Me," was once adopted by using some Confederate items as a symbol of resistance in opposition to perceived oppression.