Crazily enough, horned helmets were largely costumery at that point in time, though comparably rare at that.

The usual ones that people associate with Vikings (et al) had in fact died out as a tradition a couple hundred years before there were any viking going on —and we have Wagner to thank for the confusion.

Still. Bugs as Brünnhilde has lived rent-free in my head for... going on 40yrs. 🤓🤙🏼