Third Reich Hitler’s 50th Birthday MiNr. 691 This stamp was issued on 13 April 1939 to commemorate Hitler’s 50th birthday. Also shown is a commemorative sheet canceled on the actual date of Hitler’s birthday, 20 April 1939. Commem. Sheet Set Date(s) 13 April 1939 Watermark(s) None Album Page(s) Hitler’s 50th Birthday MiNr. 691 This stamp was issued on 13 April 1939 to commemorate Hitler’s 50th birthday. Also shown is a commemorative sheet canceled on the actual date of Hitler’s birthday, 20 April 1939. Commem. Sheet Set Date(s) 13 April 1939 Watermark(s) None Album Page(s)