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

https://landenndbd742.rivetgarden.com/posts/flags-of-valor-the-significance-of-civil-war-flags-in-american-history-2

The Gadsden flag, featuring a rattlesnake and the word "Don't Tread on Me," changed into adopted by way of a few Confederate contraptions as a symbol of resistance opposed to perceived oppression.