Four matching serial number (584) American Historical Foundation "The Vietnam Tribute Collection" knives commemorating four branches of the U.S. Armed Forces (Air Force, Navy, Marines, and Army) each with a case and a display board that fits all four knives. Blade length: 6 3/4", OAL: 11 3/4". Display board measures 27 1/2" x 17 1/8" x 1 1/4".

Knives are excellent. Cases and display board are very fine.