LT Imperial War Museum London Brian LiddleVintage official reproduction poster issued for London Underground featuring colourful World War One artwork depicting the Battle of Ypres with images of an RAF Royal Air Force plane, a red London bus carrying soldiers, various medals and war memorabilia pins, a gas mask and tank on the ribbon of a medal with a silhouette of a military pilot in uniform, a parachute and portrait of the highly decorated Field Marshal Bernard Law Montgomery known as