Coat of arms of`René of Anjou (1409-1480), Count of Piedmont, Duke of Bar (1430–1480), Duke of Lorraine (1431–1453)
Ottfried Neubecker, Roger Harmingues, Le Grand livre de l'héraldique, ISBN 2-04-012582-5

Design helmet[1]
Example variants helmets in profile [2], [3]
Katepanomegas Heralder