Coat of arms of Carlo I Tocco as count of Cephalonia and ruler of Epirus, based on a relief in the Castle of Arta.
Own work based on: Arms of Robert de Tarente.svg  and Device of the Palaiologos Dynasty.svg 

Source and historical background: Brendan Osswald (2018), «Les armoiries des Tocco de Céphalonie dans la citadelle intérieure de la forteresse d’Arta», Bulletin de correspondance hellénique, 142.2, DOI : https://doi.org/10.4000/bch.689
Constantine Plakidas