This vintage pinback button from the A of M Int'l Assn of Machinists ORG. dating back to 1888 is a unique piece of historical memorabilia that would make a great addition to any collection. The button features the trade union's logo and is a testament to the organization's history and legacy.

With its intact design and high-quality construction, this pinback button is an excellent item for collectors of historical memorabilia, especially those interested in trade unions and fraternal organizations. Whether you're a member of the A of M Int'l Assn of Machinists or just a collector looking for a unique piece to add to your collection, this vintage pinback button is sure to impress.