http://www.kunsthaus.ch/en/the-collection/conservation/examples-from-the-world-of-art-conservation/auguste-rodin/stage-2/touch-ups/touch-ups-sections-with-missing-patina/?redirect_url=titl

Kunsthaus Zürich

Touch-ups

Sections with missing patina (Photo:  G. Pegurri)
Sections with missing patina
(Photo: G. Pegurri)