A set of two German military medals from World War II. First is the mercenary badge of the Wolf Battalion was awarded to all members of the battalion who took part in hostilities in Upper Silesia. The abbreviation S.S.O.S. means Selbstschutz Oberschlesien, Upper Silesian Self Defense. Second is the Knights Cross of the Iron Cross with Oak Leaves, instituted on June 3, 1940. It was awarded to personnel of the Wehrmacht and military party organizations, who had previously been awarded the Knights Cross of the Iron Cross, for outstanding military services. Award conditions: for completing particularly difficult tasks and showing courage in battle. For the Luftwaffe: quite a large accumulation of points. For the Kriegsmarine: sinking of ships with a total displacement of at least 200,000 tons. Second World War Nazi German Decorations And Third Reich Military Collectibles. Military Medals, Nazi German Historical Collectibles, Third Reich Memorabilia.