 Also, the grips on NCO swords were wrapped with leather, whereas those for officers were usually covered with sharkskin.Finally, NCO scabbards had only two scabbard mounts, consisting of a top mount with frog stud and a scabbard tip, whereas officers' scabbards bore three mounts, including upper and middle mounts fitted with carrying rings.The sword worn by Marine NCOs since 1859 was also carried throughout the American Civil War.