The capsule and the transformer of this copy of a Neumann U47 look to me to be aftermarket components, and not of Neumann origin. I don't know of anyone who makes an M7 look exactly like Tiersch's 'Reline' (Mylar) version, so I assume that is what it is.
All of the (visible) electronic components and the mic's wiring, the capsule head/switch assembly, the power supply and the head basket are certainly after-market, and probably all other frame and housing parts of this mic are copies as well, judging from the metal's sheen and screw types used.
The connectors could be New Old Stock Tuchel T3037/38-010 as used on Neumann U47, but are more likely recently-made copies, as found with U47 copies made by Central-European workshops, as well as a couple of U.S. copy manufacturers.
Questions that may address the wisdom of such a purchase for you:
*Price?
*What's with the thread title? You mention nothing of any Günther Wagner parts involvement-new or vintage- in your text.
*Tube type?
(Is it just coincidence that the tube-type is not visible anywhere on any of the pictures? Certainly looks like a vintage Telefunken steel tube, but which one? One of the "work-around, cheaper ones? a real VF14? an
'M'-stamped select one?)
*Degree of desire to have a mic that resembles a U47 in sound or build-quality?
*Degree of desire to have a mic with decent resale value?
(Preliminary answer to the last two questions, from personal experience: that level of desire better be low!)
P.S.: The ground rules for this forum discourage valuation or authentication inquiries because they may encourage posters to try to get professional advice with possibly great financial benefit without paying for it.
I let this thread stand, because it may serve a general interest of comparing details of copy mics to authentic vintage mics in general, and how to spot the difference.