Set of four works on paper 1.Bele BACHEM (1916-2005) Disguises Gouache and ink on paper Signed lower right "Bele Bachem. 31.50 x 23.50 cm - 12 ⅜ x 9 ¼ in. Provenance: Sale Cologne, Lempertz, November 1987 Christophe Czwiklitzer Collection To the present owners by succession 2 Emile Ernest BERTIN (1878-1957) Costume study for La lettre Watercolour and ink on paper Signed and annotated lower left "EBertin/La lettre". 28 x 36 cm - 11 x 14 ⅛ in. Provenance: Christophe Czwiklitzer Collection To the present owners by inheritance 3 Léon BAKST (1866-1924) Costume study for Saint Sebastian Gouache and pencil on paper Signed lower left "Bakst", annotated upper left "St Sébastien". 17,50 x 14,50 cm - 6 ⅞ x 5 ¾ in. Provenance: Christophe Czwiklitzer Collection To the present owners by inheritance 4 Léon BAKST (1866-1924) Costume design for La Péri - 1911 Gouache stencil on paper Signed and dated lower right "BAKST/1911", stamped lower left, titled upper left "PERI". 32.50 x 20 cm - 12 ¾ x 7 ⅞ in. Provenance: Christophe Czwiklitzer Collection To the present owners by inheritance Set of four works of paper ; gouache and ink on paper, signed lower right ; watercolor and ink on paper, signed and annotated lower left ; gouache and pencil on paper, signed lower left, annotated upper left ; gouache stencil on paper, signed and dated lower right, stamped lower left, titled upper left