Portrait of Jacopo Sansovino 2 - Jacopo Tintoretto (Robusti)
Portrait of Charlotte Aglae of Orleans - Pierre Gobert
Portrait of Constantine the Great - Henry R. Cook
Portrait of Nicholas Isaac Hill 1760-1854 - Thomas Hickey
Portrait of a gentleman, half-length, in a brown coat and cream waistcoat - (after) Sir Henry Raeburn
Portrait of a Man 2 - Jacopo Tintoretto (Robusti)
Portrait of Richard Crofts, three-quarter-length, in a dark red coat and breeches, and striped waistcoat, his left hand resting on a plinth - (after) Sir Joshua Reynolds
Portrait of a seated gentleman, wearing a black suit, holding opera glasses - Leslie Mathew Ward
Portrait presumed to be Hercule-Francois de France (1554-84) Duke of Alencon, c.1560 - (attr. to) Clouet, Francois
Portrait of Vincent Van Gogh 1853-90 on his deathbed - Paul (Paul Van Ryssel) Gachet
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 
