 The Triballi were an ancient tribe whose name was used as an exonym for the Serbs by archaizing Byzantine authors in the Middle Ages.The Triballian coat of arms depicts the head of a boar pierced by an arrow.In the "Chronicle of the Council of Constance" from 1415, the motif is used as the coat of arms of the Serbian Despotate and is recalled in one of Stefan Lazarević's personal seals.