"Title:" Boys and girls! You can help your Uncle Sam win the war - save your quarters, buy War Savings Stamps "Abstract:" Poster showing Uncle Sam offering War Savings Stamps to a boy and girl. "Physical description:" 1 print (poster) : lithograph, color ; 102 x 76 cm. "Notes:" Form A-51.; James Montgomery Flagg ; American Lithographic Co., N.Y.; W.S.S. War Savings Stamps issued by the United States government.