ODILON REDON (Bordeaux 1840-1916 Paris) Étude d'arbre. Circa 1897. Pencil on paper. Monogrammed lower right: O.R. 32 × 22.6 cm. Provenance: - Collection of Richard Bühler, Winterthur. - Private collection, Switzerland, by descent and in the family for four generations. ------------------------------------------------- ODILON REDON (Bordeaux 1840-1916 Paris) Étude d'arbre. Circa 1897. Pencil on paper. Monogrammed lower right: O.R. 32 × 22.6 cm. Provenance: - Richard Bühler Collection, Winterthur. - Private collection Switzerland, obtained through inheritance and in family ownership for four generations.