RENOIR Pierre-Auguste (1841-1919) Autograph signed letter addressed to Paule GOBILLARD Cagnes, January 4 [19]07, 1 page in-8 in ink on lined paper, envelope preserved. "I am always happy to receive good news from my faithful friends. I see that the cold has not caused any illness. The weather here is superb and healthier. My stomach aches leave me in peace and I continue to search for the secrets of the masters. It is a sweet madness that I am not alone ".