The painting, thought to be the second version of the Baroque artist’s Judith Beheading Holofernes will be auctioned this June with an estimate of £86m-£129m

The French artist’s residence is one of the most beautiful 19th-century homes still within its original grounds

If it turns out to be real, it would be the biggest discovery of the artist’s work in almost 25 years

Around €2m needed to restore murals by Bonnard and Vuillard