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
Marcel Duchamp collection buying and selling rare manuscripts, books and art. Rrose Sélavy, and the other pseudonyms Duchamp used, may be read as a comment on the fallacy of romanticizing the conscious individuality or subjectivity of the artist, a theme that is also a prominent subtext of the Readymades. Duchamp said in an interview, "You think you're doing something entirely your own, and a year later you look at it and you see actually the roots of where your art comes from without your knowing it at all." From 1922 the name Rrose Sélavy also started appearing in a series of aphorisms,