This portrait of Rudolph Valentino was done during the filming of the movie "The Sheik" in the early 1920's. It suffered from over 80 years of heavy smoke buildup on top of badly discolored varnish.
Valentino after cleaning. The heavy smoke buildup was carefully removed followed by removal of yellowed varnish. Notice how the original colors have been revealed. Finally a protective damar varnish was applied after minor in-painting to cover some areas that had missing paint.
