A World War One Propaganda Poster. Exhibited in the South West Wales Museums touring exhibition 2015 - 2016, 'Posters of the First World War : Passion, Propaganda and Print'. 'GO! It's Your Duty Lad' Artist: Unknown Printed: David Allen & Sons Publisher: Parliamentary Recruiting Committee Date: June 1915 Dimensions : 11270 x 1020 mm Medium : Lithograph