Gunnar I think you may be right, although I am really
not 100% sure yet..

...looks very much like the AKG C520
or maybe the Shure Beta 54
....
I HOPE SOMEONE CAN ACTUALLY COME UP WITH THE EXCACT ONE JURGEN IS WEARNING PLEASE..
sounds really good in demos also.
https://www.thomannmusic.com/shure_wbh_54b.htm?ref=search_rslt_Shure+WBH+534B+Black_161617_0https://www.thomannmusic.com/akg_c_520.htm?sid=6c70ddd57367807cef8febf2d6c4ef84