Vintage 1998 100th Anniversary of Sheet Metal Workers International Union Pin

The product is a vintage pin commemorating the 100th anniversary of the Sheet Metal Workers International Union, a trade union organization based in the United States. This collectible item holds historical significance for those associated with the union or the industry, representing a milestone in the organization's history. The pin serves as a symbol of solidarity and unity among members of the trade union, celebrating their contributions and achievements over the years.