Circle A

The circle-A or anarchist A, written as Ⓐ, is a graphic and political symbol representing the anarchist movement and ideology. Seeking a symbol that could easily represent the entire movement, it was conceptualized in April 1964 by the Libertarian Youth group of Paris. It was made on the initiative of Tomás Ibáñez, and was graphically represented by René Darras. The symbol initially remained limit... (Wikipedia)