 In World War I the stamp was re-issued to meet the demand for postage for machine parts mailed to Russia.James Monroe, the fourth president of the United States, was first honored on a 3-cent U.S. postage stamp on April 30, 1904, as a part of the Louisiana Purchase Exposition Issue.Appointed by Jefferson, Monroe helped negotiate the Purchase from Napoleon, and subsequently served as Madison's secretary of state before becoming president and initiating the Monroe Doctrine with his secretary of state, John Quincy Adams, Monroe's successor as president.