Dutch brand NLXL. http://usa.nlxl.com/collections/archives-wallpaper-by-studio-job  $300 per roll! I think it's Alt Deutsch

Work with the green of the upstairs paper. Can’t find exatly what I am looking for: a simple stripe, but something on this idea. Reconsider doing the espresso on the stairs, and painting risers and treads the same color as your woodwork. Again, not your colors, but white stairs wth darker runner and dark walls.

^^^ This. I saw many that were similar. You could add “flocked” to the search, too. I’m certain this particular picture is a computerized stock photo, advertising something in the room, and the wallpaper (fake) is just edited in. A digital image. I saw this same picture with a yellow wall instead of the wallpaper. Other digital images with various backgrounds:

I am trying to find this metallic gold wallpaper which was in our 1947 house. The wallpaper may have been added later. May be Salamandre. Any help appreciated.