The Empire Marketing Quarter (EMB) produced innumerable posters for billboards. It also produced smaller versions that the worldwide could secure after 1s 6d, and by 1933 had 27,000 schools on its distribution list. Exchange for its 1931 ‘Allow British’ campaign, the EMB printed more than four million posters, right down to small versions in behalf of motor windscreens, and famous aviator Amy Johnson’s aircraft flew beyond London with Buy British posters plastered to its wings, and more in its belly as wagon-load