Portrait of a Woman as St Agnes traditionally identified as Catherine Voss - Sir Godfrey Kneller
Portrait of a Woman in a bonnet - Wilhelm Menzler
Portrait of Mlle. Jeanne de Gagne Perrigny, half-length, in an embroidered orange and white dress and green wrap - Nicolas de Largilliere
Portrait of a lady, bust-length, in a purple dress - (after) Sir Peter Lely
Daydreaming - Eugene de Blaas
Portrait of the Grand Duchess Maria Pavlovna - Boris Kustodiev
Portrait of a Widow, c.1585 - Lodovico Carracci
Portrait of a lady, half-length, in a black dress with a white collar and black scarf, a pearl necklace and drop earrings, before a red curtain - Nicolaes Maes
Portrait of a lady - (after) Sir Peter Paul Rubens
Portrait Of The Artist's Wife - Joachim Wtewael
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 
