WW I poster USA World War I, American propaganda poster showing Uncle Sam and Father Knickerbocker greeting a Bersagliere in a plumed hat; all three men bear rifles and swords. In the background, an American and Italian flag are crossed, with a flag similar to New York City's displaying between them. Possibly the city's tercentennary flag because it has the dates 1614 to1914 on it. Original title: "Welcome comrade-at-arms!" Lithograph poster, color; 100 x 64 cm. United States of America 1917.