Portrait of a boy, bust-length, in a brown coat, holding a staff -
John Opie
Portrait of a Young Woman in a White Dress 1805 -
John Opie
Portrait of Charles James Fox 1749-1806 -
John Opie
Portrait of Dr Samuel Johnson 1709-84 1783 -
John Opie
Portrait of James White (1745-1825), seated half-length, in a maroon coat, holding a book in his right hand -
John Opie
Portrait of John Carpenter of Mount Tavy Devon -
John Opie
Portrait of the Painter's Daughter Anna Catharina 2 - Jacob Jordaens
Portrait of a girl in a white dress with a dog - Helen Howard Hatton
Portrait of a boy - (after) Sir John Watson Gordon
Portrait Of Three Children, Half Length, One Said To Be Phillip Carl Von Thun - Austrian School
Portrait Of A Girl Holding An Houette, Sheep And A Small Dog Beside - (after) Sir Peter Lely
Portrait of a boy - (after) Jens Juel
Portrait of a boy, seated, wearing a blue sash - Alfred-Edward Chalon
Portrait of a boy in a white shirt - (after) Jan De Bray
Portrait of Anne Isabella Milbanke 1792-1860 - John Hoppner
Portrait of a Boy with a Staff - John Opie
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 
