Readymades of Marcel Duchamp to turn up any identical matches to photographs of the originals. However, there are accounts of Walter Arensberg and Joseph Stella being with Duchamp when he purchased the original "Fountain" at J. L. Mott Iron Works. Such investigations are hampered by the fact that few of the original "readymades" survive, having been lost or destroyed. Those that still exist are predominantly reproductions authorized or designed by Duchamp in the final two decades of his life. Shearer also asserts that the artwork "L.H.O.O.Q." which is recorded to be a poster-copy of the "Mona Lisa" with a moustache drawn on it, is
Alexina Duchamp first met Marcel Duchamp in 1923 at a ball given in her honor by American sculptor Mariette Benedict Mills, the mother of a close friend. In 1929 Teeny married Pierre Matisse, an art dealer and the youngest son of Fauve artist Henri Matisse. They had three children: Jacqueline, Paul, and Peter. Throughout 1938, Henri Matisse made a series of portrait sketches of Alexina. When her husband was mobilized in Paris at the outbreak of World War II, she ran his gallery for some months. In 1949 Pierre and Teeny separated due to Pierre's infidelity with Patricia Kane Matta. She received