Very rare Austrian-Hungarian so-called "Berndorfer" Helm. Made by Berndorfer Metallwarenfabrik Arthur Krupp A.G..
2nd pattern. 

Original period time paint. The helmete once left the factory with a light-green paint and was than overpainted during the war with a darker grey. A white cross was painted to the front side.

Original inner ring and rivets. Small piece of the leather chin strap in place.

The top disc is a modern replacement. The original piece was lost.