This vintage pinback button is a must-have for any collector of historical memorabilia. With its unique design and Trade Union organization, it makes a great addition to any collection. The button is from the United States and has not been modified. It is not signed and comes with an unknown California Prop 65 warning.

The pinback button is a rare find and a great way to show support for the Trade Union organization. It is perfect for displaying on a jacket or adding to a collection. Don't miss out on this opportunity to own a piece of history.