http://www.kunsthaus.ch/en/the-collection/conservation/examples-from-the-world-of-art-conservation/max-ernst/puttying-and-retouching/puttying-and-retouching-4/?redirect_url=title%3Dguid

Kunsthaus Zürich

Puttying and retouching

Damaged areas after initial retouching. The final glazing has not yet been applied.
Damaged areas after initial retouching. The final glazing has not yet been applied.