This is No. 1 of a "de luxe" edition of a travelling case (by Louis Vuitton) assembling 69 reproductions of Duchamp’s own work. This edition has one "original" and a dedication to Peggy Guggenheim, who assisted Duchamp financially in its production. It includes a miniature of the celebrated upturned urinal, Fountain, of 1917, and a reproduction of a "corrected ready-made" of 1919—Leonardo da Vinci’s Mona Lisa, hirsute and inscribed "L.H.O.O.Q." These letters, when pronounced in French, make the phrase "Elle a chaud au cul", which was decorously translated by Duchamp as "there is fire down below".