1.25" button with union bug stamp on back and Chicago union bug on front. Center slogan reads "If You Are With Us Wear This Button." The Stockyard Labor Council (1917-1922) was established as a coalition of Chicago's American Federation of Labor unions to organize meat packing house workers from all the crafts including meat cutters, machinists, electricians, carpenters, coopers, office workers, steamfitters, engineers, railway carmen and firemen. The union had only limited success in improving workers' conditions during WWI and by 1922 the group was defunct. Light surface wear marks only in reflected light. Displays Mint. Only example we've seen.