http://www.kunsthaus.ch/en/the-collection/conservation/examples-from-the-world-of-art-conservation/max-ernst/puttying-and-retouching/puttying-and-retouching/?redirect_url=title%3DBiblioth%EF%BF%BD%201c%D0%81que

Kunsthaus Zürich

Puttying and retouching

Overview of Panel 8 after the removal of the added layers.
Overview of Panel 8 after the removal of the added layers.