Gentlemen,
Here is my new acquisition.
A pre-ersatz tschapka with a non removable metal top.
I think it's the same of Tony's website.
http://www.kaisersbunker.com/dunkelblau/helmets/dbh56.htm" onclick="window.open(this.href);return false;
It's maker marked A. Wunderlich, 56,5 and dated 1915...