Microphone No3/3a with Rubber Mouthpiece

Microphone No3 with jackplug, fits WS38, remotes and other sets. Not known if working. Illustration shows typical example. Mic sent may be No3 No3a, No3b or No3c and rubber mouth piece may be curved or straight as illustrated. The other type of No3 does not have a mouthpiece. Material may be black or brown bakelite.