The product is an antique 1900 McKinley & Roosevelt pin campaign button measuring 1.25 inches. Produced by Whitehead & Hoag Co. This collectible item represents a piece of political history, specifically from the era of campaigns, elections, and politics. This vintage button would be a valuable addition for collectors interested in Americana or political memorabilia from the early 20th century. Possible 1 of a kind. Do your research please.