Fliht helmet war1 or wa r2?

[The Tiger]

Hello I Need your informations about this helmet. Is it a flight helmet war1 or a SEGELFLIEGER helmet war2 or what helmet is it? Thanks and regards the tiger
<p><img src="http://cdn03.trixum.de/upload2/L/D/LDpPUmQKYR0O138168534589P4813.jpg"></p>
<p><img src="http://cdn03.trixum.de/upload2/Y/C/YCwW3BjXdsr8138168537846P4813.jpg"></p>
<p><img src="http://cdn03.trixum.de/upload2/v/g/vguPKDXtVla3138168544794P4813.jpg"></p>
<p><img src="http://cdn04.trixum.de/upload2/0/W/0WePu3mprvq9138168548589P4813.jpg"></p>

[Chip M]

I can't tell you the vintage of your helmet, but the 1917 ink stamp is a fake. That leads me to believe that this helmet is a postwar piece.

Chip