The Hattori Hanzo sword, as portrayed in the movie "Kill Bill," is a fictional weapon. It does not have a historical basis or a real-world counterpart associated with the legendary samurai Hattori Hanzo.

In the movie, the Hattori Hanzo sword is depicted as a revered and exceptionally crafted weapon, said to be forged by a master swordsmith named Hattori Hanzo. However, the character and the sword are fictional creations for the purposes of the story.

While the Hattori Hanzo sword does not exist in reality, it has gained popularity and recognition among fans of the movie. As a result, various replicas and collectibles inspired by the movie have been produced and sold by manufacturers and collectors. These replicas are artistic interpretations and not authentic historical weapons.

If you encounter any items claiming to be genuine Hattori Hanzo swords or associated with the historical figure, it is important to be aware that they are likely misrepresentations or fabrications. The Hattori Hanzo sword is a product of fiction within the context of the "Kill Bill" movie franchise.