Portrait of a gentleman, bust-length, in a brown coat and yellow waistcoat - (after) Sir Henry Raeburn
Portrait of a gentleman, bust-length, in a blue coat and lace cravat - (after) Francis Cotes
Autorretrato (Self-portrait) - Ignacio Pinazo Camarlench
Portrait of a gentleman - (after) Sir Hubert Von Herkomer
Portrait of a Nobleman - Bartolomeo Passarotti
Portrait of Francisco Pizarro 1478-1541 Spanish conqueror of Peru - Jean Mosnier
Portrait of Fernando de Aragon 5th Duke of Villahermosa 1546-92 - (attr. to) Mois, Roland de
Portrait of a gentleman - David The Younger Teniers
Portrait Of An Admiral, Three-Quarter-Length, In His Navy Uniform And Black Feathered Hat - German School
Portrait of a Man - George Dance
Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the 
