Bullet-shaped Hanko

This is a very rare seal made from a bullet.
It has a name engraved on it and can be opened and closed with a screw.
It is an old item but appears to have been used until recently, giving it an antique-like charm and is in beautiful condition.
There are no noticeable stains or scratches.
Size: Approximately 5cm
Diameter: Approximately 11mm