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

https://stephentkru765.cloudhinter.com/posts/the-evolution-of-civil-war-flags-from-battlefields-to-modern-reenactments

The Gadsden flag, featuring a rattlesnake and the phrase "Don't Tread on Me," used to be adopted by some Confederate gadgets as a symbol of resistance towards perceived oppression.