I have a 1918 Erfurt with all matching serials (except firing pin and magazine) and no import stamps or Nazi symbols which, according to the web, means it was a WWI military bring home. The finish is worn but ok. Its shoots best with Winchester 115 grain ammo but jams like hell on everything else I've tried. With the Winchester, it will go 4 or 5 magazines without a stovepipe jam so it is far from reliable. It is, however, accurate as hell and fun to shoot. I have been meaning to get it looked at but want to find someone that won't do anything to devalue it. If anyone knows more, please post.