Vends Mk/mv - 201 Gefell Neumann

i want to sell an well-known measurement microphone produced by the leader of international market - gefell neumann. the model is mk 201 with preamplifier mv 201...is in verry good shape because it was little used in a university lab....the mic is bulk whithout it's box...but if u want in relative short time i will enter in posesion of it's box and another capsule for it. link with some specification.... url i could send any photo with product if u ask for them....