British Railways Bus Links Home Front WWIIOriginal vintage World War Two poster Vital Links in the National Effort featuring a great design of chain links with the logos and images in black and white of British Railways and British Buses showing a steam train and a speeding bus connected by a link marked Co operation in red letters against the blue and green background with the bold white text below. Designed by C Vernon and Sons. Good condition, folds, creases, small tears.