The great helm is plate.

The helm looks like it offers protection for the following areas:

head
neck
right eye
left eye

You feel certain that a horned great helm appears to impose moderate maneuvering hinderance and offers:
high protection and good damage absorption for puncture attacks.
high protection and good damage absorption for slice attacks.
moderate protection and good damage absorption for impact attacks.
good protection and good damage absorption for fire attacks.
moderate protection and good damage absorption for cold attacks.
poor protection and good damage absorption for electrical attacks.

If you were only maneuvering in a horned great helm you could expect to be somewhat hindered.

You are certain that the great helm is very strong, and is in pristine condition.

The great helm is made with metal.
You are certain that the great helm is worth exactly 68750 kronars, 55000 lirums, or 49610 dokoras.