4 Corot, Le Pont de Narni
Detail upper right sky region partial cleaning of varnish. At D the
varnish film is untouched. In the region of C partial cleaning of
varnish has been carried out. The complete cleaning of varnish has
been carried out in the region of B. Also seen near B is an old fill
which has been cleaned of its retouching. Evidence of heavy
pressure during an earlier relining is seen at A where the imprint of
canvas in the paint occurs.