labor day vintage

abstract america anarchist ancient arms art background banner blue business card celebration color concept congratulate construction country day decoration decorative design discounts draw element emblem engine event factory festival freedom graphic hammer hand happy icon illustration industry international knead label labor logo may mechanic memorial modern movements patriotic patriotism pattern poster power protests red retro revolution sale shape sign silhouette socialist star sticker strength style success symbol template text texture trade union vector victory vintage web work worker world wrench