The horns would supply a very credible Viking.
The Butcher in Ealing Gardens can create one of these from an aurochs, or you may find one by chance at Bullbone Island.
See Category:Horned Skull Gain for how to obtain this item, or click to show them.
It cannot be bought or sold at the Bazaar.
See Category:Horned Skull for pages which require this item, or click to show them.