The WWI US Army Model 1917 CT Plumb St. Louis 1918 Bolo Knife is an original military collectible from the United States. Made by Fayette R. Plumb Inc, this bolo knife was used during World War I and is a unique piece of militaria history. With its original design and production in 1918, this knife holds significance as a part of the American military arsenal during the war, making it a valuable artifact for collectors interested in WWI memorabilia.