The metal scabbard was painted over the last 100 years to prevent it from rusting away. They were always problematic due to rust and battle damage, there aren't any significant dents and both belt attachments are still firmly in place. Hard to find French maker in great condition...The item "WWI 1918 US Army Knuckle Duster Trench Knife and Metal Scabbard by AuLion" is in sale since Friday, October 13, 2017. This item is in the category "Collectibles\Militaria\WW I (1914-18)\Original Period Items\United States\Edged Weapons". The seller is "gmcl4203" and is located in Coquille, Oregon. This item can be shipped to United States.