NSFK RADIO OPERATOR'S PATCH

The NSFK Radio operators badge was instituted in 1941 and worn by those who passed a radio proficiency test, as well as a written physics exam.
They also had to experience level B glider flying proficiency.
Insignia is in the shape of a downward pointing triangle on a blue/grey backing, it features a black B (borderfunker) on white inside a black circle with white wings and four diagonal lightning bolts.
Badge is in very good condition with tiny stain to the front. (rare).

Code: 51021