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) 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 by the artist himself. A work of art in itself, the first "Valise" was made in 1936 and presented in 1941. Launched in 1936 and sold from 1941 by subscription in the United States, the box-in-a-suitcase is based on the idea of the condensed universe of the and a cabinet of curiosities as a portable museum. The work consists of a brown leather