Today I spoke with a man who had this laying on his loft.
20160207_101617_resized.jpg It is trianglet saw files from the Swedish tool company C.O. Öberg. I donīt know how old they are but the files are in great condition, with only few spots of rust. He had 4-6 boxes of them. They are not completely full. There should be 12 files in each box, but except from one box there are missing files from all of them.
He also had this20160207_102424_resized.jpg20160207_102438_resized.jpg
It is 6 E.A. Berg shoulder plane irons in original box