[lugerholsterrepair]

No disrespect, but I think one of the reasons you suspect a fake is the condition. Olle..Let me assure you, you could not be more wrong in thinking this. I have seen and handled MANY mint condition original holsters and owned many more. My thoughts on this one are purely technical and practical. I am not at all awed by it's condition.
On the other hand you are also correct. I suspect ANY holster in this condition simply for the reason that in 1941 the Germans not only made holsters but used them, NEEDED them. While it is possible to survive in this condition..it is rare enough to be suspicious on the face of it.
My analysis and the opinion of others that I respect point to something wrong. This holster is NOT all it should be. Of that I am certain.

Ed, No..cotton is a natural material and will not glow like synthetics do. The thread on Olle's holster is hairy where it shouldn't be. Ends sticking out here and there. Either it's cotton or it's linen but linen only gets this way after being very wet. This holster shows no evidence of having been wet..Dry linen just doesn't do this.

Just let me know if you need more pictures. Olle, yes! Can you get a closeup of the inside back panel where the stitching for the belt loops are? This is another area that will tell me more..
Thanks..I appreciate it!