The U.S. Postal Service celebrates posters of the Work Projects Administration, striking and utilitarian artworks created by Depression-era artists employed by the Poster Division of the WPA Federal Art Project. The booklet features 20 stamps of 10 different designs originally created to support the civic-minded ideals of Franklin D. Roosevelt’s New Deal Program. During the Depression, WPA artists designed and printed some two million posters from approximately 35,000 designs.
The "See America Welcome to Montana" poster is showing a mountain scene with horse and rider. The stamp is existing: