Sony Microphone f-99s - cant find this mic anywhere!!!

by john
(fairfield,ohio,U.S.A.)

I have a sony microphone made in tokyo japan the modle number is f-99s it is a one point stereo dynamic mic with an odd three point plug end... i've tried looking it up but cant find out anything about it...if someone could help it would be well appreciated!! you can reach me at kingtha50@yahoo.com ..it is still in the original leather case and comes with a small mic stand and plastic mic cover, i dont believe this mic has ever been used but i'm not sure what it was even made to be used for???? thank you for your time..JP