Kabuto

Kabuto or Samurai Helmet 

This is Kabuto is a theatrical mock-up made of lightweight plastic-like materials.

kabuto was made by combining dozens of thin iron plates around a central dome, usually iron but sometimes moulded and lacquered paper

Like medieval helmets they were often decorated with a crest, this one is themed around a rabbit.

Kabuto 1st appeared in the 10th Century