Luftwaffe EM/NCO visor cap for pilot, unit marked

Original WWII luftwaffe visor cap with yellow piping for a Luftwaffe Pilot. Complete with its original early aluminum insignia. The cap is in worn condition an has some damage to the right side. The sweat diamond shows the maker mark; Carl Halfar Uniform-Mützenfabrik Berlin N.20 Prinzenallee 74. Unit marked to Flieger Erzats Abteilung 14 and dated Sept 1937. A nice early cap.