Signature of Luftwaffe KC-OLC Recipient 'Ernst kühl'

In a very good condition a original signature on the backside of a wartime postcard of Ernst Kühl.Oberst der Reserve Ernst Kühl had earned the Knight's Cross of the Iron Cross on 17th October 1942 and the Oakleaves on 18th December 1943 as Kommodore Kampfgeschwader 55 'Greif'.A very nice hard to find signature on an original wartime postcard.