The SMW Sheet Metal Workers Union Local 8 254 271 558 Alberta Emblem 100th Lapel Pin is a collectible item commemorating the 100th anniversary of the union. This lapel pin represents the fraternal organization of trade union members in the sheet metal industry, specifically in Alberta. As a historical memorabilia piece, it serves as a symbol of unity and solidarity among union members, showcasing their pride in their organization and its legacy.