whole: the two images occupy the majority. The title is separate and positioned in the upper quarter, in black, held within a red text panel. The main text is separate and positioned in the lower right, also in black. Further text is integrated and positioned in the upper half, in black. All set against a white background. image: the upper image is a map of the world, with the ports of the British Empire marked with White Ensigns. The routes between these ports are represented by lines of ships. The lower image is a depiction of three British ships - a Royal Navy warship, a passenger liner, and a cargo ship - all painted in camouflage colours and sailing from left to right. text: BRITISH WARSHIPS KEEP OPEN 80,000 MILES OF SEA ROUTES [map has various place names] Never less than 600 British warships and nearly 2,000 merchant ships are at sea from BRITISH PORTS ay any given time . . . . . . G.P.D./377/17/52 PRINTED IN GT. BRITAIN.
GPD/377/17/52 One of a series produced in various languages, for use abroad PST 21538 is a French version PST 21539 is a Persian version