http://www.kunsthaus.ch/en/the-collection/conservation/examples-from-the-world-of-art-conservation/max-ernst/puttying-and-retouching/puttying-and-retouching-2/?redirect_url=title%3Dbiblioth%C3%A8q
Kunsthaus Zürich
Content

- Damaged areas and areas with missing paint and varnish after the removal of the added layers