Vintage Antique Old Chinese China Small Dagger Knife Letter Opener w/ Scabbard. Original Old Chinese Small Dagger / Letter Opener with Scabbard. If you have any questions please feel free to contact me. DO NOT DUPLICATE OR COPY!The item "Vintage Antique Old Chinese China Small Dagger Knife Letter Opener with Scabbard" is in sale since Wednesday, November 7, 2018. This item is in the category "Collectibles\Knives, Swords & Blades\Collectible Fixed Blade Knives\Vintage Fixed Blade Knives\Factory Manufactured". The seller is "hennadiy2006" and is located in Milford, Michigan. This item can be shipped worldwide.