buttons were first used in the 1896 presidential campaign
between William McKinley and William Jennings Bryan. They
were made by placing a thin piece of celluloid protective
covering over paper and then wrapping it around a metal disk.
Many colorful designs were created during the golden age
(1896 - 1916) of campaign buttons.
Johnson pin is a Flasher type. Tilted one way, it shows a
picture of Lyndon Johnson. Tilted the other way, it says "LBJ
FOR THE U.S.A."
kinds of artifacts have been used in political campaigns?
Political Memorabilia for some answers.