The three medals (l-r: 10Year Long Service, Commemorative Medal for War 1918-1921, and the 3rd Class Cross of Merit) appear genuine. The 10 Year Long Service medal has an original ribbon. The dog tag also looks genuine. No problems there. The rank slip in I'm not as certain about.
All thoughts and opinions expressed are those of my own and should not be mistaken for medical and/or legal advice.
"Tomorrow hopes we have learned something from yesterday." - John Wayne