The following is a selection of stamps that where issued during the the German 3rd Reich. They were issued between 1933 to 1945. This is not a complete listing but just those that I have been able to acquire. I have listed the month, year and occasion for issue.
Nov 1935, Nazi Flag Bearer & Feldhernhalle at Munich
June 1936,World Congress for Vacation & Recreation held at Hamburg.
Sept 1936, The 1936 Nazi Congress
March 1937, The Reich's Air Protection League
April 1938, Union of Austria and Germany
March 1935, War Hero's Day
April 1935, Issued in connection with the Young Workers' Professional Competition.
July 1935, Hitler Youth Meeting
August 1935, 1935 Nazi Congress at Nuremberg
June 1938 - - 16th German Gymnastic & Sport Festival held at Breslau