As mentioned a few months ago, the citation is a fake. The person in command of 9.Armee at the date on the citation was Adolf Strauß who held the rank of Generaloberst at the time so they certainly wouldn't have put his rank as just 'General' - which they wouldn't put for any of the General ranks. Secondly, the authorising authority is 9.Armee so the stamp wouldn't be for OKH - and that faked stamp is seen numerous times on the market.
Thirdly, this is the signature of Strauß: