This High-Quality Lapel Pin is Die Struck and expertly crafted. Each pin is meticulously painted and polished. This pin is a replica of the legendary USMC KA-BAR knife, which was later adopted by the U.S. Army. During World War II, it was a standard issue knife for the United States Marine Corps. It was later adopted by the U.S. Army as a standard issue item. The pin features a polished brass finish. Pin comes with two standard butterfly clasp and pin backs.