Editing Marcel Duchamp (section)

== Antecedent ==
[[File:Alphonse Allais.jpg|thumb|Alphonse Allais, ''Des souteneurs encore dans la force de l'âge et le ventre dans l'herbe boivent de l'absinthe''. Carriage Curtain, before 1897.]]
In 2017–2018, the French expert Johann Naldi found and identified seventeen unpublished works in a private collection, classified as a national treasure on May 7, 2021 by the French Ministry of Culture, including ''Des souteneurs encore dans la force de l'âge et le ventre dans l'herbe'' by [[Alphonse Allais]]'','' consisting of a green carriage curtain suspended from a wooden cylinder.<ref>{{Cite journal |last=Philippe |first=Dagen |date=May 10, 2021 |title=Dix-neuf œuvres des Arts incohérents classées trésor national |url=https://www.lemonde.fr/culture/article/2021/05/10/dix-neuf-uvres-des-arts-incoherents-classees-tresor-national_6079757_3246.html |journal=Le Monde}}</ref> This work was certainly exhibited at the [[Incoherents]] exhibitions in Paris between 1883 and 1893. According to Johann Naldi, this work is the oldest known readymade and was a source of inspiration for Marcel Duchamp.<ref>{{Cite book |last=Johann |first=Naldi |title=Arts incohérents, Discoveries and new perspectives |publisher=Lienart |date=April 2022 |isbn=978-2-35906-368-4 |location=Paris}}</ref>