Improper posters & prints

Improper Clearcut Anonymous

Doctor Doublepulse Thomas Rowlandson

Integrity Retiring from Office! Anonymous

A Merry Company, c.1557 Jan Massys or Metsys

Elegant Figures Feasting and Disporting at a Table with the Last Judgement in the Background Hieronymus II Francken

The Music Lesson, c.1760 Pietro Longhi

Sketch for the improviser Lawrence Alma Tadema

Impronte umane Scoverta 1873, Italy Giorgio Sommer

A sentry in the trenches looking through an improvised persicope, France, World War I, 1916 Unknown

Improvisation with blue and white, 2017 Alex Caminker

In Propriâ Personâ Charles Samuel Keene

Caricature of impressionist painter Walter Richard Sickert Anonymous

Improvisation XIV, 1910 Wassily Kandinsky

Untitled Improvisation, 1914 Wassily Kandinsky

In Proper Hands at Last Political Cartoon Charles Taylor

Improvisation, 1910 Wassily Kandinsky

Improvisation 35, 1914 Wassily Kandinsky

Study for Improvisation 28 (Second Version), 1912 Anonymous

Improvisation No. 30, 1913 Wassily Kandinsky

Improvisation No. 6 1909 Wassily Kandinsky

Improvisation III, 1909 Wassily Kandinsky

Improvisation 28, 1912 Wassily Kandinsky

A sentry in the trenches looking through an improvised persicope Anonymous

Mountain Impromptu, 2006 Carolyn Mary Kleefeld

Sick of the property tax or ministerial influnza George Cruikshank

London Improvements. An Open Space Anonymous

Metropolitan Improvements, London Anonymous

Metropolitan Improvements Anonymous

Sick of the Property Tax or Ministerial Influnza Anonymous

Condemned Property at Isleworth Edward Walker

Improvised bathroom, Shoreditch Technical Institute, London, 1907 Unknown

View of Snow Hill undergoing improvements, 1803 William Capon

Properties near a water Anonymous

Improvisation 27, 1912 Wassily Kandinsky

Joseph Haydn at the first performance of his opera 'L'Incontro Improvviso' in the Esterhazy theatre, 29th August 1775 Pietro Travaglia

Improvisation 209, 1917 Wassily Kandinsky