This image is one of two vertical posters for a 5 poster series, the other three are horizontal.
The Empire Marketing Board, EMB, was created in 1926 to promote trade with the Empire. It had three aims; Support scientific research; promotion of economic research and lastly and relevant to this poster Publicity for Empire trade.
The EMB organised poster campaigns, of which this is one,. Sir StephenTallents decided that EMB's staff should employ personnel directly from the media and the advertising industry - as well as giving commissions to some of the most talented poster artists of the day.