Pickelhaube helmet found from attic. Help needed

[Aries22]

Hello to all, can someome help me with this helmet ? Some more info about it, for which unit, model... ? Regards to all

[Gerdan]

I think the coat of arms is Austria - Habsburg - Lothringen:

http://www.google.de/imgres?imgurl=h...ed=0CCkQrQMwAw

Gerdan