Office of War Information Poster. Poster distributed by OWI to war plants, post offices, schools, taverns, public buildings, etc. The original comes in four sizes: 40 inches x 56 inches, 28 inches x 40 inches, 22 inches x 28 inches, 14 inches x 20 inches, and is printed in red, blue, black, and orange on white. Copies may be obtained from U.W. Information Center, 1400 Pennsylvania Avenue, Washington D.C.