A World War One Poster. Exhibited in the South West Wales Museums touring exhibition 2015 - 2016, 'Posters of the First World War : Passion, Propaganda and Print.' Artist: British version unknown. The girl on the poster is a 'Christy Girl', originally painted by Howard Chandler Christy on an American World War One Propaganda Poster. Howard Chandler Christy was one of America's leading illustrators at the time. Printed: Hill Siffken & Co. Publisher: Unknown Date: circa 1917 Dimensions : 504 x 757 mm