Herbert Hoover campaign buttons. Welcome to the Herbert Hoover campaign buttons section on campaignbuttons-etc. President Herbert C. Hoover was the 1928 and 1932 Republican Party presidential nominee. Pictured here are Herbert Hoover campaign buttons from those campaigns some of which also feature his Vice President Charles Curtis. Though never holding elected office prior to the presidency , Hoover did serve in several federal government posts including Secretary of Commerce under both Presidents Harding and Coolidge. Hoover was the 31st President of the United States and served from 1929 to 1933.