At first glance that looks like a decorated small parade axe, the spike doesn't appear to be long enough to do much damage in thrusting thru mail, arming jacket, etc. as it is prevented from going in full length by the blades and the axe blades look like flat steel welded to the central hub rather than integral ad tapering in thickness from it. The edges do not appear to have ever been sharpened either. Better photos from the top & edge on might help show otherwise tho.
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