This is an excellent example, Wejmar Republic period. Black grip with intact wire wrapping, bright steel blade with double fuller, stamped by naval acceptance stamp. Blued steel scabbard with suspension hook for belt shoe and sliding brass ring band. Lightly worn in superb condition. 
An extremely rare piece in perfect condition.
The sale of Knives and other Edged Weapons are restricted to those aged over 18. Verification of age is required before purchase is concluded