Portrait of Alberto Conti, by Andrea Celesti, National Gallery of Ireland, Dublin.

Portrait of Alberto Conti, by Andrea Celesti, National Gallery of Ireland, Dublin.

Elohim Creating Adam, by William Blake, Tate Britain.

Elohim Creating Adam, by William Blake, Tate Britain.

Portrait of Madame Moitessier, by Jean-Auguste-Dominique Ingres, National Gallery, London.

Portrait of Madame Moitessier, by Jean-Auguste-Dominique Ingres, National Gallery, London.

Tree Nursery, by Paul Klee, The Phillips Collection, Washington.

Tree Nursery, by Paul Klee, The Phillips Collection, Washington.

Diana, by Augustus Saint-Gaudens, Philadelphia Museum of Art, Philadelphia.

Diana, by Augustus Saint-Gaudens, Philadelphia Museum of Art, Philadelphia.

The Deposition, by Paul Delvaux.

The Deposition, by Paul Delvaux.

(Source: pixography)

Earring, Museo Archeologico Nazionale di Taranto, Taranto.

Earring, Museo Archeologico Nazionale di Taranto, Taranto.

Blessing of the Beheaded Man, Pinacoteca Civica, Como.

Blessing of the Beheaded Man, Pinacoteca Civica, Como.

Esther and Ahasuerus, by Giovanni Pietro Gnocchi, Pinacoteca Civica, Como.

Esther and Ahasuerus, by Giovanni Pietro Gnocchi, Pinacoteca Civica, Como.

Portrait of Totila, by Francesco Salviati, Pinacoteca Civica, Como.

Portrait of Totila, by Francesco Salviati, Pinacoteca Civica, Como.