‘Lost’ Cubist painting found under later work

A lost Cubist painting has been found under an Art Brut work by the same artist. The discovery was made when Manuela de Kerchove dOusselghem, the daughter of the Belgian artist and art critic Ren Guiette (1893-1976), took her fathers painting Paysage (1953) to be investigated by the Swiss firm SGS Art Services after noticing patches of blue and bright yellow paint inconsistent with the brown, red and black canvas on the edges of the picture where paint had been lost.A combination of techniques,