This fact only increased his rivalry with Durand-Ruel, as Petit did not care to have his competitor officiate as 'expert' at public sales held in his gallery".
Se seikka vain lisäsi kilpailua Durand-Ruelin kanssa, sillä Petit ei halunnut kilpailijansa toimivan 'asiantuntijana galleriassaan pidetyissä julkisissa myyntitilaisuuksissa".