Banca del Monte dei Paschi di Siena, Colle di Val d’Elsa, project by Giovanni Michelucci.

The Good Samaritan, by Johann Karl Loth, Schloss Weissenstein, Pommersfelden.

The Good Samaritan, by Johann Karl Loth, Schloss Weissenstein, Pommersfelden.

Portrait of John and Mary Wilkes, by Johann Zoffany, National Portrait Gallery, London.

Portrait of John and Mary Wilkes, by Johann Zoffany, National Portrait Gallery, London.

Portrait of Charlotte, Lady Milnes, by George Romney, Frick Collection, New York City.

Portrait of Charlotte, Lady Milnes, by George Romney, Frick Collection, New York City.

Head of a Bearded Man, by Baccio Bandinelli, Victoria and Albert Museum, London.

Head of a Bearded Man, by Baccio Bandinelli, Victoria and Albert Museum, London.

No. 14 chair, design by Michael Thonet.

No. 14 chair, design by Michael Thonet.

Looshaus, Vienna, project by Adolf Loos.

Looshaus, Vienna, project by Adolf Loos.

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.