Political Movement Party Rights Pin Back Buttons

Four political movement party rights pin back buttons, all are original from the late 1960's to the early 1970's, "Patriot Party", "Permanent Revolution Leon Trotsky" (manufactured by Independent Socialist Club and designed by Lisa Lyons), "Resurrect John Brown Patriot Party and "Strike! for high school rights SMC April 15" (Vietnam protest cause)
Condition Report: Each piece has areas with some form of wear from age, handling and or usage