The pin and copper washers look like a later fix. The provenance that came with the knife states it was found in North Carolina in 1985; Wayne McNeese Collection. The item "Antique American Civil War Confederate Bowie Knife" is in sale since Tuesday, December 4, 2018. This item is in the category "Collectibles\Knives, Swords & Blades\Daggers".
The seller is "atthediggings" and is located in Honolulu, Hawaii. This item can be shipped worldwide.