Luger Holster

[jsd1318]

I recently acquired a 1918 DWM luger with a holster. The holster does not have any type of markings that I can find and I wanted to know if there was a way to find out if it was from the same period. It also has a couple of places were the stitching is coming loose and was wondering about how much it would cost to repair it. The pistol is a shooter and I do not want to sink to much into the holster, as it will just sit in my safe. Any help would be appreciated. I have posted some pics.