1 of 7 An extraordinary selection of rare works by Alvin Langdon Coburn goes on sale alongside pictures from other masters of photography this week. (Shadows and Reflections, Venice, 1905)
2 of 7 Coburn's pioneering work including explorations of portraiture, Modernism, Surrealism and Vortography... (Vortograph, 1917)
3 of 7 ...was influential in the highly selective world of Photo-Secession, a movement with whom he aligned himself, and which had many influential members, among them Edward Steichen, Alfred Stieglitz, and Clarence White. (Portland Place, London, 1906)
4 of 7 Among the photographs by Coburn that were published in Stieglitz's legendary Camera Work were Mother and Child - A Study, 1903, a tender portrait of a mother nursing her baby.
5 of 7 The House of a Thousand Windows is one of the earliest Modernist views of New York and predates even those of Paul Strand. It shows how Coburn transforms his experience of the American West's dramatic canyons into images of mountainous new skyscrapers.
6 of 7 Other artists work on sale includes Man Ray, László Moholy-Nagy, Dorothea Lange and William Eggleston. In addition six photographs by Edward Weston are also under the hammer, including this one, Pepper No. 30, 1930...
7 of 7 ...and Dunes, Oceano, 1936, also by Weston. The sale takes place at Christies in New York on 27 April.