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
De ou par Marcel Duchamp ou Rrose Sélavy (La Boîte-en-valise) infinitive") also called "The White Box", gathering new unpublished notes from the period 19121920 in an edition of 150. The box contains 79 facsimiles of notes from 191423 in a Plexiglas case of 33.3 x 29 x 3.8 cm. The Fluxus group borrowed the idea of the "Boite-en-valise" ifor their "Fluxkits". Tate "The Bride Stripped Bare by her Bachelors Even (The Green Box)" De ou par Marcel Duchamp ou Rrose Sélavy (La Boîte-en-valise) de ou par Marcel Duchamp ou Rrose Sélavy (La Boîte-en-valise) ("Valise" or box in a suitcase) is a series of reproductions of works by Marcel Duchamp conceived