* WEISBERG, VLADIMIR 1924-1985 Composition with Three Cubes signed and dated 1969 Oil on canvas, 48 by 56 cm. Provenance : Private collection, Switzerland. Exhibited : Weisberg, Exhibition of the artist's works from 1943 to 1985,The State Tretyakov Gallery, Moscow 1994, N372 Literature : Exhibition catalogue,Weisberg, Exhibition of the Artist's Works from 1943 to 1985,The State Tretyakov Gallery, Moscow 1994, N372.