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

https://cruzbuxy751.solsticebrief.com/posts/flags-as-historical-artifacts-insights-into-the-civil-war-era-2

The Gadsden flag, providing a rattlesnake and the word "Don't Tread on Me," became adopted by some Confederate instruments as a image of resistance in opposition t perceived oppression.