George Hoyningen-Huene, Los Angeles
Bevan Davies Books, New York
Robert Shapazian, Los Angeles (acquired from the above in 1982 and sold: Christie's, New York, November 11, 2010, lot 109)
Acquired at the above sale by the present owner

Ecke Bonk, Marcel Duchamp, The Box in a Valise, de ou par Marcel Duchamp ou Rrose Sélavy, New York, 1989, no. 10, illustration of another example p. 212
Francis M. Naumann, Marcel Duchamp, The Art of Making Art in the Age of Mechanical Reproduction, New York, 2000, illustration of another example fig. 5.20
Arturo Schwarz, The Complete Works of Marcel Duchamp, vol. I, New York, 2000, no. 458, illustration of another example p. 745

The work is in very good condition overall. Pouchoir printed on thick cream card which has been T-hinged to a mount on the upper edge of its verso. Some very minor time staining throughout.
In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective qualified opinion.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING CONDITION OF A LOT, ALL LOTS ARE OFFERED AND SOLD "AS IS" IN ACCORDANCE WITH THE CONDITIONS OF SALE PRINTED IN THE CATALOGUE.

The authenticity of this work has been confirmed by Jacqueline Matisse Monnier and the Association Duchamp.