Vintage (1985) Karlsburg Leather Bomber Jacket

This is a rare vintage LEATHER BOMBER JACKET made by Karlsburg (a German company no longer in existance? I received it as a gift in 1985 while my dad was stationed in Germany ,then we were re-stationed to other country and it was stored until last year. It is in great unworn condition. No fraying or scratches and no tears in inner lining. Size is 42" inside measured.