Coat of arms of Dom Francisco de Assis Mascarenhas, count of Palma and marquess of São João da Palma (the royal arms of Portugal and the arms of the Mascarenhas family).
Archivo Nobiliarchico Brasileiro, of Rodolfo Smith de Vasconcelos and Jaime Smith de Vasconcelos (1918).
Tonyjeff, based on symbol of XIX century.