Struck with solid swastika, thin vertical pin, Rudolf Souval manufacture. Very Fine condition ..........POST WAR STRIKING BY RUDOLF SOUVAL. Rudolf Souval was a noted badge and medal manufacturer in Vienna, Austria during the Second World War. He continued in business as a jeweller after the war, but re-struck many of his Nazi pieces during the 1960’s and early 1970’s. These pieces are now becoming collectors items in their own right.