Gas Defense Unteroffizier Period Pics?

[Daniele C]

Hi All

Im looking for a period picture of soldiers wearing the GU special badge in the lower right arm for GAS DEFENSE UNTEROFFIZIER that were in the nebelwerfer(mostly)
Any of you have period pictures showin the GU badge in wear?
thanks

Daniele

[Daniele C]

Does anybody have a pic of the GU badge in wear in the low right arm??
N pics are known to exist?
this is the badge im talking about

http://www.germanmilitaria.com/Heer/photos/H17153.html