Christie's Invitation to a conference on the special occasion of the release of Gustave Caillebotte, L'impressioniste inconnu by Stéphanie Chardeau-Botteri at Christie's Paris, 9 Avenue Matignon, Paris, 19 September 2023. Gustave Caillebotte by Stephanie Chardeau-Botteri For a long time, our families have known each other. For a long time, I had heard talk of the ...