Portrait of Theodosius - Henry R. Cook
Portrait of Sir Edward Sassoon 1856-1912 - Rene Joseph Gilbert
A Portrait Of A Nobleman, Standing Full Length, Wearing Armour And Holding A Sceptre In His Right Hand - German School
Portrait of a boy in fancy dress, half-length, wearing a soldier's uniform - Austrian School
Portrait of Hans Caspar von Pienzenau, 1558 - Hans, the Younger Schoepfer or Schopfer
Portrait Of A Noblewoman, Bust Length, Facing Left, Wearing A Red Dress With An Elaborate Lace Collar - Florentine School
Study for the Portrait of Piotr Dobrzanski - Jacek Malczewski
Portrait of Frederick William Hallet Hodges, half-length, in a green coat, with a black spaniel, feigned oval - John Downman
Portrait Of A Prelate, Three-quarter Length, Seated, Holding A Handkerchief, Beside A Table With His Cassock And Books - (after) Mauro Gandolfi
Portrait of a Young Man - Simon Kick
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 
