Keep 'em Rolling WWII USA Home Front PT BoatsOriginal vintage World War Two poster Keep 'Em Rolling! featuring speeding US Navy patrol torpedo PT boats at sea across the stripes of the American flag with workers wearing welder helmets and carrying cords and lights over their shoulders on the blue above, the bold text below. Issued by division of Information Office for Emergency Management Washinton DC. Printed by the U. S. Government Printing Office. Good condition, restored tears, restored