Bullion ball knot "made of brass twine"? As it's not fabric. Description taken from the book.
Japanese Military and civil Swords and Dirks, by Richard Fuller. Please see the other estate items for sale.This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\Japan\Other Japanese WWII Orig Items". The seller is "zogcaveman" and is located in this country: AU. This item can be shipped to United States, Australia.