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

https://andreskcuw244.lumenforgex.com/posts/buying-guide-what-to-look-for-in-quality-civil-war-flags-2

The Gadsden flag, proposing a rattlesnake and the phrase "Don't Tread on Me," changed into adopted through a few Confederate models as a symbol of resistance opposed to perceived oppression.