Portrait of an officer - (after) Anthony Van Ravesteyn
Portrait Miniatures - Bernard III Lens
Portrait of a young girl, half-length, in a red dress holding a doll - English Provincial School
Portrait of John Frederick the Magnanimous Elector of Ernestine of Saxony - Lucas The Elder Cranach
The Servant - Amedeo Modigliani
Portrait of King George I (1660-1727), half-length, in garter robes, in a feigned oval - Sir Godfrey Kneller
Portrait Of An Old Woman 1655 - Harmenszoon van Rijn Rembrandt
Portrait of Emperor Alexander I 1777-1825 - Stepan Semenovich Shchukin
Portrait of King Philip IV of Spain, full-length, with the Order of the Golden Fleece, resting his right hand on a table - (after) Sir Peter Paul Rubens
Conde de Artal (The Count of Artal) - Joaquin Sorolla y Bastida
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 
