WWI Women In War Time Shells PostwomanOriginal vintage World War One educational poster 1915 Women in War Time featuring two illustrations with captions, the one above depicting ladies in green uniform and headscarves working at a munitions factory Filling shells with explosives and below showing a postal worker wearing a blue GPO General Post Office uniform walking past a red double decker bus with a conductress at the back waiting for a member of the Women's Army Auxiliary Corps (WAAC)