Serge GUERIN (1916-?). Geometric abstraction on a blue-green-gray background. Oil on canvas, signed lower right (small pieces of paper glued to upper right). Height 55 cm - Width: 100 cm Circa 1970. A set of three oils on canvas is included: - One oil on canvas on a midnight blue and turquoise background, unsigned - Size: 55 x 100 cm ; - An oil on canvas on a blue-green and gray background, unsigned - Size: 55 x 100 cm ; - One oil on canvas on a blue-green and khaki background, unsigned - Size: 55 x 100 cm. Provenance: Serge Guérin Collection.