German KM Career Rank Chevron 'Sperrmechaniker'

In a very good condition a German Kriegsmarine Career Rank Chevron 'Sperrmechaniker'.
The badge comes in the rank of gefreiter (obermatrose) and has the career badge of the Sea Mines Engineer (Sperrmechaniker)
The inisgnia is made of metal and attached to a cloth backing.
A very hard to find badge!

Code: 81721